Census of British Guiana, 1850, 8c Black on Green (4; SG 4)
Notes:
- Fault: Initials washed away, repaired black spot by "S" of "British"
Provenance:
- 5/25/2021, Siegel Auction Galleries, Worldwide Stamps and Postal History, Sale 1236, Lot 2186, Realized $4,750
Certificates:
- APS 33014 (1978)