This vintage clear crystal heart pendant closely resembles designs by Steuben art glass featuring an internal teardrop of flame motif. This very well bit could be in what they called, and after hours piece made at the Steuben glass Company by master glass blowers at the Corning factory, often utilize leftover scraps, a premium high refraction lead crystal after their shifts to hand blown internal teardrops and shaped miniature hearts as personal gifts or trade items. These bed pieces were hand grooved and wrapped with simple wire directly by the artesian’s though this piece is unknown to be, and after hours peace, it could be it is beautiful and it’s wrapped in brass wire so it could hang from the chain of your choice. Needless to say, this is a very vintage piece of glass work.