Yang AD67, AD68 Port Arthur and Dairen, 1950 (May) hand stamped on Kwantung Posts $500 on $5 pale-green (prepared but never issued) and $500 on $10 yellow-orange

Yang AD67, AD68 Port Arthur and Dairen, 1950 (May) hand stamped on Kwantung Posts $500 on $5 pale-green (prepared but never issued) and $500 on $10 yellow-orange