Cayman Islands 1974 - Cayman Islands Currency Board 1 Dollar Specimen with Red Overprint & Oval Stamp (Pick 5bs)
The defining invalidation features consist of a bold red diagonal SPECIMEN overprint across the face, accompanied by two red oval printer control stamps reading “SPECIMEN / DE LA RUE / NO VALUE.” These oval stamps are applied in the standard Thomas De La Rue format used to mark internally controlled specimen material. Their presence distinguishes this specimen from the classic red-overprint format and identifies it as a printer-managed control example rather than a presentation-only specimen. Read more →