Mother of Pearl Brooch with magnet fastener clasp
The name personalized brooch made in sterling silver argentium wire or gold-filled wire.
The brooch is attached to clothing via a strong magnetic bar*. They are strong enough to hold through a suit jacket and also with a magnetic clasp instead of a brooch pin it won't mark your cloth.
http://www.wirename.com/mother-of-pearl-pin
http://www.wirename.com/store/index.php?act=viewProd&productId=26