Stirling silver brooch with six 5 to 6 mm dia pearls 6.72 gms

Stirling booch with 6 pearls.  The pearls measure aprox 5 cms for 5 pearls and approx one x 6 mm for the one in the centre.    There is a leaf design etched in the leaves surrounding the pearls.  An initial is stamped into the back which appears to be a K within a keyhole shape.  The pearls are suspended by silver posts.  This lovely brooch has not been cleaned.  The clasp in good.  Dont hesitate to ask any questions.