It´s hard to say. May be something like this:
https://en.numista.com/catalogue/pieces231718.html

Silver coin,,,Please help identify
Coin data
| Identified coin: |
Georg Wilhelm (Braunschweig-Lüneburg) (1648–1705) – 1/24 Thaler (1/24 Tolar) (č. 6130)
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User feedback
| Diameter: | 18,0 mm |
|---|---|
| Mintage area: | |
| Ruler: | Georg Wilhelm (Braunschweig-Lüneburg) (1648–1705) (2 názory) |
| year of mintage: | |
| Nominal: | 1/24 Thaler (1/24 Tolar) (2 názory) |
| Material: | Stříbro (Ag) (1 názor) |
| Coin ID: | Georg Wilhelm (Braunschweig-Lüneburg) (1648–1705) – 1/24 Thaler (1/24 Tolar) (č. 6130) (2 názory) Tovarnik: 6130, Rendy14: 6130 |
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Photo
Circumstances of the finding
| State of soil: | Dry |
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| Depth of the finding: | 15 cm |
| Used detector: | Metal detector Minelab Equinox 800 |
3 votes
3 votes
Post
You may be correct,,,I can see the orb and cross on the coin,,,Thanks Manufacturer 
Or maybe this one. I think I see the letters GEORG on your coin, but I'm not sure.
https://www.ma-shops.com/loebbers/item.php?id=180629005
https://en.numista.com/catalogue/pieces85090.html
Jj Rendy, máš recht. Je tam vidět i WILH.D.... 