Ancient Roman architectural engraving

Large neoclassical architectural engraving Antique Roman Arches signed lower left in giltwood frame. This is one from a series of limited edition reprints using th eoriginal 18th century engraving plates. The engraving is signed indistincly in pencil lower left "Bologna"? With an impressed stamp Diocletian Palace and pencil signed Cassas and numbered 17/50 in 1986 Presented in giltwood frame and under glass . European late 20th century reprint of an original 18th century engraving. Overall Dimensions Height 74 cm Width 57 cm Depth 3 cm