Vintage Silver Sailboat Broach

Modernist, scuptural pin/broach of a sailboat. The piece is stamped JJ but does not have markings for material.
We think its sterling silver because it polished up nicely. Pin has a nice weight to it. Good condition with some surface scratches and marks.
Silver
Wipe clean or polish

Made in the US
Height 2.25" width 1 6/8"