Variety with abbreviated date at the end of the reverse legend and with initial ID on sides of the monogram on the obverse, crown not divided the legend on the obverse.
Variety unlisted in the Parchimowicz-Brzeziński catalogue, very similar to No. 102.a2, but the coin offered does not have a dot after the date on the obverse.
Coin specified in Kopicki's catalogue as R6.