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Continue to ChatGugh Island 1978 25th Anniversary of the Coronation - Imperforate (4x 50p, U/M) https://www.grahamlandstamps.co.uk/shop/stamps/cinderellas/gb-offshore-islands/gugh-island/gugh-island-1978-25th-anniversary-of-the-coronation-imperforate-4x-50p-u-m/