Lot no. 669

25 mm high stamps: 5 pia. (3 different pos.), 9 pia., 10 pia. and 20 pia., all 4 existing values unused in fine condition, a very rare set, of 9 pia. and 20 pia. only 15 unused copies known each, for these two values certificates Dorfman (Bale 82-84 var.)