Census of 12c Dark Violet, Special Printing (Scott 173)
Notes:
Provenance:
- 4/4/1980, Siegel Auction Galleries, 1980 Rarities of the World, Sale 560, Lot 169, Realized $2,970
- 5/14/1999, Siegel Auction Galleries, 1999 Rarities of the World, Sale 811, Lot 143, Realized $5,775
Certificates:
- PF 7403 (1957) Genuine
- PF 124352 (1983) Genuine
- PF 341327 (1999) Genuine
- PF 520978 Genuine