German Gold 10 Ducat "Aureus Magnus Issues. Germania" 1956 X# M16

Obverse
Denomination in center of 6-pointed cross, lilies in angles
Lettering: X DUCAT SIGNATUS AD PRETIUM AURI CONSERVANDUM 980 AUREUS MAGNUS

Reverse
Old sailing ship
Lettering: GERMANIA PACEMET LIBERTATEM AMAT 1956