This is a beautiful Baltic Amber pendant - right from the capital of amber Gdansk / Danzig in Poland.

The pendant has no nickel or other substances causing most allergies making the silver hyper allergenic.

The size of the pendant - including the bail - is

1.8 x 0.9 cm or
0.71 x 0.35 inch

One of the pictures has a DIME coin to visualize the size.