Vintage 10K Gold Round Locket Charm Size. A delightful vintage locket perfectly sized as an everyday necklace pendant or as a charm for your bracelet. This dainty round locket measures just under 5/8ths of an inch in diameter. One side is engraved with the monogram DFM, the other side is plain. It opens to a single frame photo compartment complete with acetate cover. The locket is suspended from its original oval ring bail. It is marked 10K along with what looks like the number seven. I believe it dates to the 1930s. Weight is 2.4 grams. Condition is very good with light scratching from normal use.