ITALY, Papale (Stato della Città del Vaticano). John XXIII. 1958-1963. AV Medal (28mm, 12.00 g, 12h). 17th Olympiad – Rome. By Manzù. Struck by Landi e Trecchi, Milan. Dated 1960 (in Roman numerals). IOHANNES · XXIII · MCMLX, bust facing slightly left right, wearing mozzetta and zucchetto / Olive tree; OBOEDIEN TIA/ ET PAX across field. Stamped "900". Matte surfaces, light marks, a few rim bumps. EF.
From the Peter J. Merani Collection, purchased from Jencius Coins, September 2012.