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INTER ISLAND MAIL
Two covers from Trinidad franked with a 3 cent George VI adhesive. The first was
addressed to Grenada and was cancelled by a Port of Spain slogan postmark on 29th August 1939. It
was back stamped in Grenada a day later. The second was cancelled in San Fernando on 18th
April 1940. Addressed to St Kitts it was back stamped there on 6th May.