Madrid, Spain, 20 reales de vellon, Joseph Napoleon, 1809AI. CT-24; KM-551.2. 25.75 grams. Choice details (especially the reverse), VF/XF+, with minor rim damage only, polished once and starting to re-tone, scarce type as from a wreck. Recovered from: Cabalva, sunk in 1818 off Mauritius in the Indian Ocean (Estimate: $125 - 200)