This is a 2¢ carmine stamp featuring George Washington, issued in 1912.

This is a 1¢ green stamp featuring George Washington, issued in 1912.

This is a 2¢ carmine stamp featuring George Washington, issued in 1912.

This is a 1¢ green stamp featuring George Washington, issued in 1912.

This is a 1¢ green stamp featuring George Washington, issued in 1912.

This is a 2¢ carmine stamp featuring George Washington, issued in 1912.

This is a 2¢ carmine stamp featuring George Washington, issued in 1912-14.

This is a 1¢ green stamp featuring George Washington, issued in 1912-14.

This is a 7¢ black stamp featuring George Washington, issued in 1912-14.

This is a 2¢ carmine stamp featuring The Panama Canal, issued in 1914-15.