Steuben Crystal 18K Heart w/ Key Paperweight

James Houston (American, 1921-2005) for Steuben, United States. Crystal heart paperweight with 18K gold key and escutcheon, ca. 1970s. Incised mark “Steuben” along the underside of the paperweight. The key is impressed “18K.” With fitted Steuben box. Crystal; height: 1 1/2 in x width: 3 3/4 in x depth: 4 1/2 in. Case; height: 3 1/2 in x width: 7 1/2 in x depth: 7 1/2 in.