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Continue to ChatBolivia 1914 Guaqui to La Paz Railway Unissued Set - Coloured Border (9v, 1c to 5b) https://www.grahamlandstamps.co.uk/shop/stamps/cinderellas/overseas-by-type/unissued/bolivia-1914-guaqui-la-paz-railway-unissued-set-coloured-border-9v-1c-5b/