Census of 9c Perf 10 at Top or Bottom (Scott 509a)
Notes:
- Perf 10 at top
Provenance:
- 6/19/2010, Siegel Auction Galleries, 2010 Rarities of the World, Sale 989, Lot 189, Realized $10,500
Certificates:
- PF 470622 (2008) Genuine perf 10 at top, light horizontal crease at center