Send an image and I’ll be able to tell you the answer. Your medal has two possibilities;
1. US issued to US unit on German soil. Under the treaties signed post WWII post allied occupation, British, French and American units stayed under NATO agreements and as such had military control of their sectors on a large scale (like those within West Berlin on the smaller scale) and had nothing to do with West Germany as a country. Answer - Origin USA.
2. Your medal was issued by the West German or State government and presented to the unit in question. Answer - Origin West Germany.
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