Census of 3c Blue Green (Scott 194)
- 4/11/1956, H.R. Harmer, "tiny paper flaw"
- 4/27-28/1966, Siegel Auction Galleries, The Ambassador Collection, Lot 234, Realized $1,900
- PF 2178 Genuine
- PF 192333 Genuine, tiny paper inclusion in the vignette
- PF 442693 Genuine, natural inclusion in vignette at left