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This is an ancient Roman silver denarius, of empress Sabina, minted at Rome in 136 AD
Obverse: SABINA AVGVSTA "Sabina Empress"- Diademed bust right, draped.
Reverse: CONCORDIA AVG - "Harmony of our Emperor" Concordia seated left, holding patera in right hand and double cornucopia.
A good example in better than VF
DATE: 128 - 138 AD (this coin minted in 136 AD)
SIZE: 19mm dia
WEIGHT: 3.56 grams
ATTRIBUTION: C 24; RIC 391; RIC II.3 2548.
PROVENANCE: Formerly in a private collection. Münster, Germany.