Collection PL

United States ca. 1970s – C.O.P.E. Experimental Test Note (Serial A82432955A, PCGS 65 PPQ Gem New)

Blank-format experimental note printed by the Bureau of Engraving and Printing during the 1970s as part of internal testing for the C.O.P.E. (Currency Overprinting and Processing Equipment) program. This machinery represented a major modernization step in U.S. ... Read more →

Confederate States of America 1864 — CSA No Denomination Archival Watermarked Paper

Blank watermarked paper stock prepared for Confederate Treasury note production during the Civil War period, certified by PCGS as CSA Watermarked Paper. This archival sheet represents original Confederate paper bearing the large embedded 'CSA' watermark, visible under transmitted light. The watermark was introduced as a security measure in the Confederacy’s later issues, particularly during 1864 production, as counterfeiting became increasingly widespread under wartime conditions. ... Read more →