German Gold 10 Ducat "Aureus Magnus Issues. 400th Anniversary Hall in Swabia" 1956 X# M8

Obverse
Denomination in center of 6-pointed cross, lilies in angles
Lettering: X DUCAT AVORUM NON MORITURA VIRTUS 980 AUREUS MAGNUS

Reverse
City view, 2 shields above
Lettering: IN HONOREM HALAE SUEVICAE 1156-1956