ITALY: Papal States, Pius IX, CU Baiocco, 1846-1878 (30mm, 9.8g, 6h), Iridescent Toning, KM 1339.1. Rome Mint. Dually dated 1846 R and RY 1. Obverse: Coat of arms surmounted by crossed keys and papal tiara. Reverse: Denomination and date in two lines within wreath. Red-brown surfaces with iridescent periphery. XF. Muntoni 31; Berman 3325.