SA Centenary
Issued 24.04.1995
Postmark: Georgetown
Cachet: Crest Collage – S.A.P.C. No.1
Text: A century of service – Guyana
Stamps: SG 4319 – 4322 (overprint on 1519, 1521 – 1523)
Size: 194 x 134 mm
Remark: Rare cover! . Estimated value > £60 (sold on ebay June 2017 for £62).