Watch List notes:

Japanese Invasion Money, China, a pair of 100 yen, progressive proof, ND(1945), brown, with red stamp at left, "Jun Yong shou Piao" overprint at centre, block number 9, and
brown on green underprint, no block number,
both orange on reverse,
(Pick M30), about uncirculated, with mild stains at edges,rarely offer (2)..

Estimate: 1500 - 2500