Census of $6.00 Ultramarine, 1875 Special Printing (PR50)
PR50-UNC-06
Sound
Notes:
Provenance:
- 3/1/2017, Siegel Auction Galleries, United States Stamps, Sale 1150, Lot 1258, Realized $25,000
Certificates:
- PF 86844 (1980) “Genuine"
- PF 542092 (2017) “Genuine”