A unique interlocking design makes it easy to wear two necklaces at one time for a fashionably layered look, or separately to complement any outfit. The antique button (1880-1910) on a fine, 20" beaded chain retains its original shank to preserve value. The new hand-painted glass button on a 24" chain (adjusts to 28") was hand-pressed in antique molds in historic Jablonec, Czech Republic, where glass buttons were first made in 1732. Antiqued bronze chains. Secure lobster clasp.