This is a 10¢ orange yellow stamp featuring The Discovery of San Francisco Bay, issued in 1913.

This is a 1¢ green stamp featuring Benjamin Franklin, issued in 1910.

This is a 4¢ brown stamp featuring George Washington, issued in 1910.

This is a 2¢ carmine stamp featuring George Washington, issued in 1910.

This is a 3¢ violet stamp featuring George Washington, issued in 1910.

This is a 1¢ green stamp featuring Benjamin Franklin, issued in 1910.

This is a 2¢ carmine stamp featuring George Washington, issued in 1910.

This is a 5¢ blue stamp featuring George Washington, issued in 1910.

This is a 2¢ carmine stamp featuring George Washington, issued in 1910.

This is a 2¢ carmine stamp featuring George Washington, issued in 1910.