细节
A DIAMOND MONOGRAM BROOCH
Designed as H.R.H. The Princess Margaret's 'M' monogram beneath a coronet, set with single and circular-cut diamonds, 2.7 cm. high, in original fitted blue leather Collingwood (Jewellers) Ltd., 46 Conduit St., case, the lid embossed with the gold 'M' monogram beneath a coronet over the date 21-8-51