SILVER LADIES GOLF UNION HANDICAP BADGE AND BUTTON (NZ?)

SILVER LADIES GOLF UNION HANDICAP BADGE AND BUTTON (NZ?)
Badge/pin with enamelled LUG monogram and
Hanidcap above, marked SILVER on back. 21mm diameter.
Another the same but with a button stud back.
Losses to the enamel in L. Posslby NZ made?