Lot 1351
GB 1959 3d Deep violet "Dollis Hill Phosphor Trial", Spec. ST7(3)c

Stamps and Covers of Great Britain Including the David Willmer Collection | S26009
Auction: 10 June 2026 at 10.30 BST
Description
1959 3d Deep violet "Dollis Hill Phosphor Trial". Very fine perforated block of four on gummed crowns watermarked (upright) paper, with two 3mm blue phosphor bands printed over the ink. Spec. ST7(3)c, £280+.

