Perugia, Mario Riginaldi 1783 xii + 163pp., frontispiece is missing, original first 1783-edition, 19cm., most pages still uncut, text in Italian, contemporary blind cart. cover, 2 stamps at title page, some occasional browning and foxing, [Very rare historical account on the Holy Ring, the relic of the wedding ring of the Holy Virgin Mary, which was stolen from Chiusa in 1473 and is since then being preserved in a chapel of the cathedral of Perugia], R90383