By the way, numista is a really great resource, but if you are having trouble with constructing a good set of keywords for your search, might I recommend the smartphone app called "coinoscope"? It is free and, for some coins like this one, gets you very close in just a few seconds. Or not--I have no financial interest in that app, but just find it to be a useful tool.
"If you climb a good tree, you get a push." -----Ghanaian proverb
"The danger we all now face is distinguishing between what is authentic and what is performed." -----King Adz
I actually collect this series so here's a little breakdown for you (your 2nd photo was upside down)... Your coin is 1556 (1923)...Y21.1a......Very nice looking coin
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