Issued in 1971, this elegant Vatican City set commemorates the First Vatican Council (1869–1870) with three beautifully engraved designs. The denominations L.20, L.50, and L.180 depict symbolic imagery including the papal coat of arms, a biblical scene of Christ and the apostles, and a finely detailed interior view of St. Peter’s Basilica during the Council. Printed by the Vatican’s official press, the stamps feature sharp lines, rich colours, and classic ecclesiastical iconography prized by collectors. A sought-after set for specialists in Church history, Vatican philately, and religious thematic collections.