1838 BERKS/"WINDSOR PENNY POST" (BR522). Fine entire from "Clarence Cottage, Slough, Berks" to Andover, Hants dated May 29th 1838, on front fine strike of the boxed "Windsor/Penny Post" hand stamp in black (BR522). Postal charge "9" and on reverse WINDSOR date stamp MY 29 1838. (Ref 109373).
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