Great Britain 1959 3s Deep Violet "Dollis Hill Phosphor Trial", SG575var.
Very fine perforated horizontal pair on gummed crowns watermarked (upright) paper, with a 4mm blue phosphor band printed over the ink between the two stamps, resulting in one stamp with a 2mm right band and a second with a 2mm left band. Scarce.
Payment & Security
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.