Lot
421 
1851, 12¢ black, diagonal bisect, diagonal bisect tied by partial "Steam Ship" straight-line on partial cover front with red boxed "Via Nicaragua Ahead of the Mails" handstamp, Very Fine, exceedingly scarce and desirable piece. Scott No. 17a; $5,000 for full cover Estimate $400 - 600.
Realized: $2,400