United States Stamp: Scott #18

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Stamp Specs

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Stamp Value

Scott #18 Overview

Scott #18, a one-cent stamp of the United States, features Benjamin Franklin and is a significant component of American philatelic history. This stamp, part of the series that began in the late 1850s, marks an important transition in stamp manufacturing, particularly in the introduction of perforation.

Design & Print

Scott #18 is classified as a Type I design, which is characterized by a complete design where the top and bottom frame ornaments are untrimmed by the engravers. This differentiates it from other types where parts of the design were trimmed away. The stamp displays a portrait of Benjamin Franklin, which is the same design of Scott #5, only on a perforated stamp. It is distinguished by its fine details and the complete ornaments in the frame. The introduction of perforation to this series was a key manufacturing advancement, designed to make stamp separation easier for users.

The perforation process was a notable change that did not require legislative action. It involved transitioning from a rouletting machine to a perforating machine, a modification achieved by replacing the rouletting roller with a perforating roller. This adaptation was essential for the perforation of Scott #18 and others in the series. The issue of over-inking, particularly noticeable on plate 12 from which Scott #18 was printed, is a notable characteristic of this stamp.

Postal Usage

The one-cent denomination of Scott #18 was typically used for local mailings and standard letters not requiring higher postage rates. Its role was integral in the everyday postal activities of the period, reflecting the stamp’s utility in regular correspondence and business transactions within the United States.

Identification

Identification of Scott #18 is centered on the complete Type I design and specific characteristics of plate 12, including the secret mark in the form of a dot at the left center of the colorless oval surrounding the vignette. While not as rare as some of its imperforate counterparts, Scott #18 holds value for collectors due to its historical significance and design variations. These variations, resulting from adjustments made during the printing process, add to the stamp’s appeal to specialists and collectors.

Scott #18 is a noteworthy stamp in U.S. postal history, characterized by its representation of Benjamin Franklin, the introduction of perforation, and its role in everyday mail. Its unique features, particularly the complete Type I design and variations from plate 12, render it a subject of interest in the philatelic community. Understanding these elements is essential for appreciating Scott #18’s place within the broader narrative of American philately.

Scott #18 Varieties

Scott #18 has different varieties that may add affect the stamp value. Note that this not a complete list of varieties. We’ve only provided the ones most notable in terms of popularity or value. We are continuing to update our data, so this list may update over time.

Calculating Variety Values

To determine the change in value a variety may provide, simply apply the percentage to the “base value” of the stamp (meaning the value of the stamp based on condition, grade and factors such as faults — but without any of these varieties pre-applied). For example, if the base value of a stamp that is Used, Very Fine, with Minor Faults is $100 and a particular Cancel variety provides a 50% premium, the estimated value of the stamp would be $150.

Colors

Various shades and colors can be found on many stamps of the same issue. These color varieties of the same issue were generally not intentional, and occurred as a result of the manual process of mixing inks. Some color shade varieties demand a premium value, and are sought after by many philatelists.

A number indication along with the variety description indicates a Scott sub-listing under the main Scott number. Not all varieties will have this information applicable.

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Cancelations

Cancellations are the added marks, usually of ink, that are placed over a stamp to prevent its reuse. They can vary greatly in style and method. They can be an indicator of where and how the stamp was used, providing insights into the postal history, routes, and practices of the time. Some cancellations are more scarce than others, or enhance the visual appeal of the stamp, and can add a premium value.

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Transfers

Common printing errors of earlier issues include additional transfers of the plate during the printing process, which results in a duplication of part of the stamps design, sometimes only on a very small part of the design.

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Plate Varieties

This issue has variations based on their position on the printing plate. Stamp recutting refers to the process used in traditional stamp printing where the original engraved plates or dies start showing signs of wear after extensive use. Over time, the continuous pressure and repeated impressions during stamp production can lead to the gradual degradation of fine details in these plates, resulting in stamps that are less crisp and distinct. Numbers in parenthesis indicate the plate and/or position on the plate.

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Paper Types

Paper varieties occur when an issue is printed on paper that is not standard for the issue. This is usually a result of experimentation, sometimes as protection against counterfeiting or a change in paper vendors or availability, but may also be due to printer error.

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Perforations

Perforation varieties are may be a result of special orders for private parties, errors in the printing process, or print runs on machines that were not standard for the issue.

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Errors

Printing errors can minor or extreme. Some errors drastically change the appearance of the stamp, while others are very subtle and require close examination.

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Fair Market Value

Our Fair Market Value (FMV) system is based on the average value of sale prices realized for this issue. Unlike other value systems, the FMV provides the value one could expect based not only on condition and grade, but important factors such as gum disturbance, cancel strength, and degrees of faults.

Attribute Definitions

Image
If a stamp has an image, it is clickable and you can view a larger image and go to the original sales listing to view certificates, and details about any faults. Depending on where it was sold, you may need to create an account or join a Facebook group to access.

Sale Date
The date the stamp was sold.

Price
The Price is the realized sale sale price of the stamp that was sold.

Type
The Type refers to the multiple of the stamp. For example, a single stamp vs. a pair. “Strip” is generally a strip of 3 stamps, and sometimes requires an imprint and plate number depending on the issue. “Block” is generally a block of 4 stamps without a plate number, unless otherwise noted as such in Scott. “Plate Block” indicates the plate number block designation in Scott, whether a plate block of 4 or 6 stamps depending on the issue.

Condition

Mint	The stamp has original gum or was issued without gum “NGAI”.
Unused	The stamp is not canceled and has no gum, or is regummed.
Used	The stamp has been postally used, indicated by a cancellation mark.
On Cover	A stamp that is postally used on an envelope or entire mailing piece.

Gum

Never Hinged	Full undisturbed OG.
Lightly Hinged	Indicates very minor gum disturbance of 5% or less of surface area.
Hinged	The stamp has a hinge remnant or disturbed gum between 5%-50% of the surface area.
Heavily Hinged	A hinge remant or disturbed gum over 50% of the stamp, or that which causes the stamp to warp or bend unnaturally.
Part OG	Stamp has less than 50% original gum remaining.
NGAI	Refers to unused stamps that were issued without gum “No Gum As Issued”. Condition is classified as “Mint”.
None	“None” can indicate an Unused stamp with no gum, or Used stamps which by default have no gum.

Cancels

Basic	Cancels that do not generally provide any added value. They can be hand stamped or machine applied.
Color	Colored cancels that add a premium value.
Special	A unique type of cancel, such as “PAID” or “Steamship”, that adds value to the stamp.
Fancy	Any type of pictorial or image based cancel that generally adds a premium value.
Pen	Manuscript cancels applied with a writing instrument by hand where the cancel type reduces the stamp value.
None	“None” indicates a Condition that is Mint or Unused and therefore has no cancel.

Cancel Strength

Light	Lightly applied cancels covering 5% or less of the stamp.
Normal	Cancels that cover over 5% of the stamp, and do not obstruct more than 50% of the stamp design.
Heavy	Obtrusive cancels that obstruct more than 50% of the stamp design.
SOTN	“Socked On The Nose” cancels are perfectly centered over the stamp, which adds value.
None	“None” indicates a Condition that is Mint or Unused and therefore has no cancel strength.

Grade
We provide grades from Very Good “VG” to GEM. While there is technically a grade below VG called “Average”, we consider anything VG or below to be valued the same. Those that fall between two grades are indicated with a /. Those that have Jumbo margins are represented with a “J”. Learn more about stamp grades.

Certs
Whether or not a stamp has a certificate of authenticity.

Graded Certs
If a stamp has a graded cert, you can determine it’s grade by looking at the Grade column. For example, a grade of VF would indicate a graded cert of 80.

NA
If NA, or Not Applicable” is present, it means that the particular attribute does not generally affect the value of the particular issue. For example, many Revenue stamps do not have different values for Mint vs Used, thus their condition is “NA”.

Fault Explanations

No Faults
Stamp is generally sound with no faults. May still have natural occurrences such as gum skips, gum bends, short gum, or gum wrinkles which may slightly effect the value.

Minor Faults
Stamp may contain one or a combination of the following:

Small faint or pressed out crease less than 5mm.
1-2 short perfs that are less than half the height of the other perfs, but not shorter than the bottom of the other perf holes.
Small shallow thins less than 5mm and undetectable from the front side when placed on black background.
Small light stains or toning not distracting from the stamp design.

Moderate Faults
Stamp may contain one or a combination of the following and may also contain Minor faults:

Reperforated on only one side.
Faint crease more than 5mm that is not visible on front side.
3-4 short perfs where the height is below the middle height of the other perfs but not below the bottom of the other perf holes.
One repaired perf tip.
Medium shallow thins more than 5mm in size but undetectable from front side when placed on black background.
Filled thins less than 1mm.
Tears less than 1mm, repaired or not.
Moderate stains or toning.

Major Faults
Stamp may contain one or a combination of the following and may also contain Minor and Moderate faults:

Reperforated on more than one side.
Heavy crease visible from front side of the stamp.
Deep thin of any size that is visible from the front side when placed on black background
Filled thins more than 5mm.
Tears larger than 1mm, reparied or not.
Holes of any size.
More than 4 short perfs where the height is less than the middle of the other perfs.
More than one repaired perf tip.
Pulled perfs that are removed below the bottom of the other perf holes.
Rebacked stamps.
Heavy stains or toning.

Scott #18

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