Watch List notes:

JAPAN: Showa, 1926-1989, pattern 5 sen, Showa 20 (1945), pattern in white porcelain, dai nihon above Paulownia Flower Seal, date below / imperial chrysanthemum at center, denomination above design elements, Unc, R. The Government Seal of Japan, also called the Paulownia Flower Seal is a crest (mon) used by the Cabinet and the Government of Japan on official documents. This is part of a series of patterns, all privately produced throughout Japan for possible government approval. Only two of the many types are published in the JNDA catalog. They are known dated Showa year 19 (1944), Showa year 20 (1945) and undated; all types are rare.

Estimate: 400- 600 USD