Lot 32HALF-LENGTHS - CAMPBELL & FERGUSSON PRINTINGS: 1d dull red SG 26b horizontal interpanneau strip of 4 [23-24-19-20], the third & fourth units with Redrawn Lines at the Base, a little cut-into at places, minor stain at upper-right, Cat £440+. The equal-largest recorded multiple. [Gary Diffen recorded only three strips of 4. His very fine but heavily cancelled strip sold for £1800]