Lot 471
GB: 1959 3d deep violet ‘Dollis Hill Phosphor Trial’ vertical pair, Crowns watermark

Stamps & Covers Of The World | 5957
Auction: 21 November 2023 at 12:30 GMT
£66
Description
1959 3d deep violet ‘Dollis Hill Phosphor Trial’ vertical pair, Crowns watermark with one 4mm vertical blue phosphor centre band over the ink. Unmounted o.g. SG 575var/Spec. ST7(3)e

