Squares of Italy - 2nd issue

550 £. - Square of the unification of Italy, Trieste - Color polychrome - Stamp Perforation 14 ¼ × 13 - Intaglio and Offset Printing - Printed from IPZS Rome - 50 sheets - Size 40 × 30 (mm) - Drawing F. Tulli - Circulation 4.000.000.