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Continue to ChatGuernsey-Sark Commodore Shipping 1967 Imperforate Definitives in Issued Colours (2v, 1s and 3s, U/M) https://www.grahamlandstamps.co.uk/shop/stamps/cinderellas/gb-offshore-islands/sark/guernsey-sark-commodore-shipping-1967-imperforate-definitives-in-issued-colours-2v-1s-and-3s-u-m/