Just paper, just plastic?:
Japan
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Japan pick 51a: 10 Yen from 1943
(1943). Black on brown and light blue underprint. Portrait p3 at right. Black serial number and block number. Japanese text only. Back: Blue. Goo Shrine at center. Watermark: 10 Yen in Japanese characters at top center.
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Japan pick 87a: 10 Yen from 1946
ND (1946). Black on gray-blue underprint. Diet building at left. Back: Green.
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Japan pick 94b: 10000 Yen from 1958
ND (1958). Dark brown and dark green on multicolor underprint. Portrait p6 at right. Back: Brown. Phoenix at left and right in underprint within ornate frame.Watermark: Yumedono Pavilion. Double letter serial number prefix.