Antique Continental Sterling Silver Miniature Wager Marriage Cup 1891

Antique Continental Sterling Silver Miniature Wager Marriage Cup 1891
Hallmarked and inscribed (Nurnberg August 1891?) as shown in photo's.
I was unable to identify the hallmarks - any help would be welcomed and appreciated.
Weighs 20.4 grams.
Measures 2-3/4" tall x 1-1/8" wide across bottom.
Excellent condition - just needs polish.
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