Great Britain 1959 3d deep violet "Dollis Hill Phosphor Trial" SG575var.
Great Britain 1959 3d deep violet "Dollis Hill Phosphor Trial". Very fine perforated vertical block of eight on gummed crowns watermarked (upright) paper, with a 2mm blue phosphor centre band printed under the ink of the left hand column and no phosphor on the right hand column. Scarce. SG Specialised Catalogue Number: ST7(4)c, SG575var
Payment & Security
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.