A pair of diamond cufflinks, by Tiffany & Co. and a pair of cufflinks, by Montblanc

A pair of diamond cufflinks, by Tiffany & Co. and a pair of cufflinks, by Montblanc The first pair designed as an 18ct white gold square plaque of brushed finish with a diamond four-stone centre, to square terminals, <I>London hallmark</I>; the second designed as a circular onyx plaque within a diamond surround, to a bombé terminal with mother-of-pearl flowerhead centre First signed Tiffany & Co., second signed Montblanc