Sweden (Avesta mint), copper 1/2 daler "plate money," Fredrik I, 1742. KM-PM65. 355 grams, 4" x 3-1/2". Seldom-seen small-size plate with mostly intact edges (light surface corrosion), full and clear stamps showing date below king's crowned monogram FRS, light copper color all over. Recovered from: Nicobar, sunk in 1783 off South Africa
($600-900)