Floor plan of Ankobra Fort. Title in the Leupe catalogue: "Platte grond van het Fort tot Ancober". "Fort tot Ancober". Notes on reverse: "No. 38 Fort Ancober. Register 8, Deel 1, Folio 36, Portefeuille .." on a blue label/"455" in bold figures on a small label. Bottom right: "No: 25" / "745" pencil.