Large vintage Art Deco brass and faux coral glass cabochon brooch, lovely architectural, geometric design artisanal There is very little documented

There is very little documented about specific Neiger designs -some are very clear

I believe it is rock crystal rather than poured glass because I have had it tested

The trombone clasp works well but does need pulling as far back as possible before the pin can clip in

The final picture shows a copy of the 1934 patent application by Schreiber and Hiller for some of their channel set arrangements of rhinestones

The jump ring that the clasp attaches to is stamped with 'Czechoslovakia' in tiny letters

Large vintage Art Deco brass and faux coral glass cabochon brooch, lovely architectural, geometric design artisanal There is very little documentedLarge vintage Art Deco pink orange coral coloured glass cabochon and antique gold tone brooch. The bold, geometric Deso design is lovely and the overall shape and size make this a striking statement piece. Its longer dimension across is 2. 5 inches, with the shorter dimension across at 1 3 4 inches. It fastens with a simple C clasp and pin. This is a lovely piece of collectable jewellery in good vintage condition. The shaped brass is quite thin and