Rarer Posen 3 groschen, omitted from the first edition of Iger's catalogue.
Variety with the Lewart coat of arms and initials IF of Treasurer Jan Firlej and with a Rose mint mark and initials HR Herman Rüdiger, tenant and manager of the Bbromberg mint, with a bust with a bow under the collar, with obverse legend SIG III D and with an abbreviated date at the bottom of the reverse.