China (People's Republic), 1952 (7 Nov.) unissued 35th Anniversary of the Russian Revolution $800 blue, with additional "Soviet" characters in inscription, variety paper fold at left, unused, bright colour, reperforated at upper right and filled thin, extremely rare variety on this popular error. Yang C94var.
Estimate 400,000 - 500,000
Expertisation: B. Walter Haveman (B.P.P.) certificate (2010).
