Bar brooch

Bar Brooch: A bar shaped, (long, narrow), brooch which is often set with gemstones or pearls.
Bar closure: A hinged bar which fits into a catch and is secured in the catch with a pin.

Bar Brooch or pin - a long, narrow brooch or pin which is often set with gemstones.

18:39, 18 October 2011 (hist) (diff) Bar Brooch ‎ (top)
18:35, 18 October 2011 (hist) (diff) N File:Edwardian Bar Brooch.jpg ‎ (Category:Edwardian images) (top)
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Bar Brooch: An elongated flat, rectangular-shaped brooch. Basse-taille (French): Literally means shallow cut. The technique involves, first, establishing a design in metal, whether through carving, engraving, stamping or chasing.

Bar Pin: A long and narrow pin. Also known as a bar brooch.
Barrel Clasp: A closure that looks like a barrel. One end screws into the other end to secure the jewelry.
Barrette: An adornment worn in the hair. It is clipped into the hair.

A bar pin (also called a bar brooch) is a long pin that is worn horizontally.
BARREL CLASP ...

BAR PIN
A bar pin (also called a bar brooch) is a long pin that is worn horizontally.
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See also: Stone, Jewel, Brooch, Necklace, Shape