#1:
Korea, North
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Korea, North pick 8b: 1 Won from 1947
1947. Black on orange and green underprint. Worker and farmer at left center. Back: mountain. Without a watermark. (Modern reprint).
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Korea, North pick 10Aa: 10 Won from 1947
1947. Black on red and green underprint. Worker and farmer at left center. Back: mountain. With a watermark.

Korea, North pick 10b: 5 Won from 1947
1947. Black on blue and red underprint. Eight lines between second and third character at bottom; connected Korean numeral at lower right. Worker and farmer at left center. Back: blue, mountain. Without a watermark. (Modern reprint).