VTG I Theda I 14KT Gold Filled Oval Tie Tac

This is a vintage, very shiny, 14KT gold filled, oval, tie tac by Theda, a trademark of the old Ideal Jewelry Manufacturing Company of RI., in original box. Dates to the 1980s/1990s, warehoused for many years following a store closure, with original price tag still in box. Stamp, photo 3 reads "1/20 14K G.F. Theda". Measurements, photos 4-5. Shows a little tarnish/wear from time, photographed close-up in photos 12-14. Just looks very shiny with the naked eye. Box condition, last 2 photos.