Brooch/pendant? Medallion with corals and half pearls,

Brooch/pendant? medaillon with corals and small half pearls, 18K yellow gold, 10.5 g, 3.5x3 cm, backwards glass frame for photo inlay, around 1900, signs of age, wear and glue, 2 pearls and pendant or pendant loop are missing (eyelet is there). IMPORT/EXPORT RESTRICTIONS OUTSIDE THE EU!