Green chalcedony foliage brooch in silver

Isn't she simply sublime? This Art & crafts style brooch in 820 thousandths silver, featuring a composition of three leaves centered with a closure surrounding a green (tinted) chalcedony cabochon, is a jewel attributed to the Swedish workshop G Kaplan (Ge-Kå-Smyckek) .
Creation dated 1956 (accompanied by the hallmark of the city of Stockholm).

Height: 3.68cm
Width: 4.71cm
thickness: 1.28cm
Weight: 7.63g

Condition :
The setting seems to have undergone modifications over time, its edges are irregular. A fourth leaf present on the back of the brooch and which holds the pin indicates that this jewel has been modified in the past.
The pin body is in good condition. Deformation of the pin (see photos) which however closes well.
Some small traces of oxidation and scratches from use.
The metal has been cleaned and polished.

Brooch delivered in a box.

Returns possible depending on conditions within 14 days.