TIBET:LOT of 117 copper coins including: 2½ skar Y-16 type (1); 5 skar Y-17 type (2), Y-19 type (14); 7½ skar Y-20 type (22); 1 sho Y-21 type (36), Y-23 type (15); 5 sho Y-28 type (23); plus the scarce 3 sho Y-27 type (4); average circulated quality, retail value $650, lot of 117 coins.