Trying to find out age and details about this mark. It says "925" and has what looks like a castle with two spires and something in the center of it.
The pin is a teal stone color (I don't think it's plastic as it's cool to the touch). I thought it might be green onyx.
http://picasaweb.google.com/lh/photo/QW ... directlink" onclick="window.open(this.href);return false;
http://picasaweb.google.com/lh/photo/qg ... directlink" onclick="window.open(this.href);return false;