RARE!! Signed "SU" German Sterling Silver Long Stemmed Marcasite Rose Pin/BroochA sweet ca 1950s sterling long stemmed rose brooch from Germany Cut-out, etched and set with marcasites, this pin is simple and elegant with enough sparkle to catch the eye. The back has a secure roll-over clasp and is stamped 925 SU (maker's mark). The pin is 2 1/8" (53mm) long and weighs 3.7 grams.