Silver trouser button brooch, A. Mulder / Amsterdam (?), 19th century

Zeeland silver trouser piece / flap piece made into a brooch.

The trouser piece is marked with the sword and master mark AM for probably A. Mulder from Amsterdam. He worked from 1848 to 1873.

On the front the coat of arms with lions and edge writing: Crescunt concordia.

Weight: 26.6 grams. Diameter: 5.5cm.