Census of 12c Dark Violet, Special Printing (Scott 173)
Notes:
Provenance:
- 3/1/2017, Siegel Auction Galleries, United States Stamps, Sale 1150, Lot 800, Realized $2,124
- 10/31/2023, Siegel Auction Galleries, United States Stamps, Sale 1297, Lot 320
Certificates:
- PF 33522 (1970) Genuine, reperforated at left