Prototypes & Color Test Error Unknown Souvenir/Special Event

Production errors - rarely escaped.

Inverts

when a blank planchet enters the stamping machine. sticker wells and borders stamped at the same time as the numbers.

Blanks

base color painted before anything is stamped on the plate.

1966 border is embossed and painted, but nothing else

See also Prototypes

Misspellings

Die variation

Omissions and Extras