The Vasa Dynasty, Sigismund III Vasa (1587–1632), 1591 IF trojak, Olkusz Mint
On the obverse, an inscription ending with the Ruszt mint mark;
on the reverse, an inscription in three lines, the Lewart coat of arms in an ornate shield,
flanked by the letters IF (Jan Firlej), with the date (15–91) below, separated by a line.
