Lot 225
Trial: 1959 3d deep violet, "Dollis Hill phosphor trial" (SG 575var/Spec ST7(3)a) 2mm blue phosphor centre band, printed...

The Stay at Home Auction | 5920
Auction: 17 May 2020 at 01:00 BST
Estimate: £90 - £100
Description
Trial: 1959 3d deep violet, "Dollis Hill phosphor trial" (SG 575var/Spec ST7(3)a) 2mm blue phosphor centre band, printed over the ink, and a second band in centre of margin, perforated on gummed Crowns (upright) watermarked paper, fine u/m

