Lot
1074 
(Multiples) 1857, 3¢ dull red, type III, left margin block of 39 showing imprint and plate number "15", well centered with rich color, left vertical row separated and archivally reattached, o.g., F.-V.F. Scott No. 26 $6,465.
This is possibly the largest surviving Plate No. 15 block.
Realized: $1,400