Here are two artist wiling to look at your repair needs.
John DeSalvio Company – Lorraine DeSalvio repairs all types of enamels – She also works with resins. 17 W. 45th #804 * NY, NY 10036 * 212-840-6654
Glass on Gold – Joan Strott-Alvini all types of vitreous enamel repairs. Also works with resins . 709 Sansom St, Suite 202, Philadelphia PA, 19106 * 215-625-0504