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An unusual 18ct75% pure gold (or 750 parts pure gold and 250 parts other metals) gold brooch of a beautifully modelled old European hunting horn, most likely Belgian. Within it is a cabochonA polished, not faceted, dome shaped stone - either round or oval with a flat polished base, primarily used as a cut for phenomenal stones such as cat's eyes and stars.
rock crystal that has been carved and hand painted in reverse with a horse’s head on a flat back. The intaglioAn engraved stone, the opposite of a cameo, with a recessed design cut below the surface of the stone. Intaglio designs are common for signet rings and fob seals. has also been painted realistically with oils so, that when viewed through the top, the image appears three-dimensional. The technique originated in Belgium c.1860 and is attributed to an artist named Emile Marius Pradier.
Production of a reverse crystal intaglio begins with the mining and cutting of fine rock crystal from Brazil or Madagascar. A well formed cabochon is the key to a beautifully made reverse intaglio and the tedious process of hand polishing it to perfection had to be completed before the design work could begin. A watercolour of the image was painted on the underside of the cabochon and an oil and diamondA precious, lustrous gemstone made of highly compressed carbon. Diamonds are one of the hardest materials known to mankind. Colours of diamonds range from colourless, yellow, orange and brown to almost black. Natural coloured (or ‘fancy’) diamonds can be extremely rare. The cut, colour, clarity and carat weight of a diamond are the criteria jewellers use... dust mixture was used along with up to 250 scribing tools to carve the design into the interior of the crystal “…the deeper the carving the more pronounced trompe l’oeil effect.” Once the carving was established the painting process began with extremely fine brushes and paint working in reverse to create incredibly detailed images.
The motifs most commonly found are sporting themes like horses, dogs, foxes and birds. This relatively secret process passed through family members, so keeping it exclusive and expectations of quality were very high. They remained in fashion until poorly made glass and plastic imitations flooded the market c.1920.
This brooch is a superb example of the art and is in excellent condition.
This is a lovely example of a carved reverse intaglio crystal
Two marks on back, hard to read. Possibly a maker's mark & a gold mark
Buying antique jewellery is both ethical and eco-friendly as harmful and destructive mining processes are not needed to make an item yours. So give yourself a pat on the back!
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