10 Kreuzers - Francis Joseph I

The billon 10 Kreuzer series emerged directly from the monetary upheaval following Austria's defeat at Königgrätz in 1866, which forced Vienna into a humiliating fiscal retrenchment. The war had drained the treasury, suspended silver convertibility, and compelled the government to issue paper florin notes that promptly depreciated. Coinage in proper silver became untenable; the .400 fineness of this type was a deliberate downgrade, allowing the mint to stretch reserves while maintaining the nominal face value.

The series was rendered obsolete well before its time — the Austro-Hungarian Compromise of 1867 set Austria on a path toward decimal coinage, and the Kreuzer system was fully abandoned by 1892.