Any references on St. George medals?

So I picked up this klippe medal for what I thought was a decent price, and it looks like it is probably 19th century to me (Lauer, Nurnberg), but I don't know much about the series. Can anybody help me? (32.4mm along a side, 19.9g, silver)

Thank you in advance.

 

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So far I found - sailor's "Good Luck" medallion

 

Could be a Hungary Token -
https://en.numista.com/catalogue/pieces29217.html

But not enough information there.