Imperial Stamp Currency, 1 (4), 2 (4), 3 (4), 10 (3), 15 (3), 20 (3) kopek 1915-1917, (Pick 16, 18, 20, 21, 22, 23, 32, 33, 34, Ryabch 753, 755, 756, 757, 758, 759, 803, 804, 805), good extremely fine to about uncirculated (20 pieces).
Estimate: £40 - £70