250th anniversary of the tree employment

3500 £. - Martyrdom of S.Agata, work of Tiepolo and "Cardinal Alberoni leaves San Marino" - Color polychrome -
113⁄4 p stamping - Rotocalco printing - Printed by Courvoisier - Sheets of 50 - Size 30 × 40 (mm) - Stamping 3000.000