This is tax receipt revenues "shunyu inshi" from 1948 and later. High values are with flowers. Not all series are described. If not seen use the revenue catalogue.

Values 10 yen, 20 yen, 50 yen from 1948 series

Values from 1975 series

Example of tax on bill 1975

Shimomura 2003 page 39-42

Furuya 2011 page 101-106