Uruguay 1939 - Banco de la Republica Oriental del Uruguay 100 Pesos Specimen Perforated CANCELLED Serie A (Pick 39as)
Mechanical perforation provided a durable method of controlling reference currency while preserving the printed surface. Each opening forming the word CANCELLED passes through the sheet itself, leaving the surrounding engraving, typography, and color structure available for technical study. The method is integrated into the physical substance of the note and becomes part of its production history rather than an additional layer of printed ink. Read more →