Lot 70540 – 1851 20c Blue showing sheet margin at left, cancel

1851 20c Blue showing sheet margin at left, cancelled by rhombic grill of Aime (Savoy/Savoie; rated “12” = € 4’000), with double-ring cds with rosette (6 MAI 53) at right, on large part-cover (some flaps reduced or cut away), italic two-line bs (Mai 7) on reverse, good quality and a scarce usage, very fine and quite attractive, an excellent Savoy showpiece, signed by G. Bolaffi & A. Bolaffi