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Two 18th-century engraved harbour maps of Boulogne and Dunkirk, showing harbours and fortifications with compass roses and scale bars. The pair comprises *Plan of the Town and Harbour of Boulogne*, with a decorative title cartouche and engraved for the *Geographical Dictionary*, and *Plan of Dunkirk with the Canal of Mardick as they were in 1757*. Each measures up to 23 × 35 cm. Offered for sale at auction with Duggleby Auctioneers.