China Copper ID help please

CollectorBob

The Lord is right - attributing these gives one a skull-ache! I can find numerous "similar" ones listed in Krause, but none precisely like this one. Note, the center of the reverse is blank! Any help would be appreciated. Thanks.

DCH

Looks like Empire Y#20, 10 Cash. CD(1909)

olmanjon

Got one just like it in xf. Books for $6
mintage--371,577,000