Three Favrile Glass Seals Attributed to Tiffany

American, 20th century, blue favrile triple scarab beetle form seal with stamp letter "D", 1-5/8 in.; gold favrile triple scarab beetle form seal with stamp letter "B", 1-5/8 in.; blue favrile teardrop form seal, 1-1/4 in.ÿÿ, Provenance: William M. Rivkin, Master Restorer for Tiffany Stained Glass 1925-1948; A Shenandoah Valley Estate
Condition Report: gold scarab seal with some scratches to stamp, teardrop form probably missing mount, other light wear