Lot
1421 
1857, 3¢ dull red, type III, right margin block of 4 with plate guideline, full o.g., showing extra vertical perfs in right block, hint of oxidation, Very Fine, a very scarce double perf variety, especially so in a mint multiple; with photocopy of 2007 Weiss attest. Scott No. 26 $580 for normal.
Realized: $280