Lot 40211 – 1851 20c blue, a magnificent example in deep rich shade

1851 20c blue, a magnificent example in deep rich shade and with sheet margin at left, cancelled by dotted grid on refolded and reused 11.1.1853 cover from Savigliano to Garzigliana, with Pineerolo cds on back, and departure cds on front, superb; signed G. Bolaffi (1916) and cert. « Bolaffi 100 » (1993).