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Continue to ChatSteep Holm 1980 Inaugural Issue Se-tenant Strip (4v, 12p to 40p, U/M) https://www.grahamlandstamps.co.uk/shop/stamps/cinderellas/gb-offshore-islands/steep-holm/steep-holm-1980-inaugural-issue-se-tenant-strip-4v-12p-to-40p-u-m/