Census of 12c Blackish Purple, Special Printing (Scott 198)

198-UNC-15

198-UNC-15

Notes:
    Provenance:
    • 12/16/2008, Siegel Auction Galleries, Important and Superb United States Stamps, Sale 967, Lot 4311, Realized $31,050
    Certificates:
    • PF (1987)
    • PF 203268 (1989) Genuine
    • PSE (2004), Graded 95