Composition: 14 karat gold-plated chain and 12 karat gold-plated pendant with mabe pearl Condition: very good Dimensions (length): 47.5 cm Color: gold, white Marking (chain): "Amco 14K GF” Marking (pendant): “I/20 12K GP JA” Country: USA Period: 1950-1970 Market value: 80-100 EUR
The chain is marked “AMCO 14K GF”. AMCO is an American jewelry manufacturer, American Metal Crafts Company, active mainly in the mid-20th century (around 1930–1950). 14K GF stands for “14-karat gold-filled”. This is a high-quality gold-plating, in which the gold makes up at least 1/20 of the total weight of the metal. The pendant is marked “1/20 12K GP”, and possible initials, most likely “JA”, are also visible. The pendant has a classic rope-style frame and a prominent artificial mabé pearl, attached with nails (prong setting), which is typical of mid-20th century American costume jewelry.