The pin front is marked as solid 10K gold. The threaded shaft and screw back are plated, total weight 2.4 grams. The enamel inlay is very good with no chips or cracks, has very light surface wear from normal use. The threaded pin shaft and the round screw back are alloy metal that is gold filled or thickly plated with 10K gold.
The back of the pin is signed "LGB10K" made by L. Balfour Company founded in 1913 in Attleboro, Massachusetts. Size: 3/4" wide x 3/8" tall.
Weight: Total weight 3.2 grams, Pin 2.4 grams the approx. Weight of the post is. 2 grams so the actual 10K gold weight of the pin is 2.0 grams , Screw back 0.8 grams. See our listings for other available items. All of our vintage items are authentic - we never try to sell knock offs, fakes, or reproductions.Some of our auctions also have a fixed price option. If available, we will send a similar replacement item after checking with you. The item "Balfour 10K Solid Gold Greyhound Lines Dog Pin 5 Years Service Enamel Screw Back" is in sale since Friday, November 8, 2019. This item is in the category "Collectibles\Pinbacks, Bobbles, Lunchboxes\Pinbacks\Awards". The seller is "babclassics" and is located in Saint Paul, Minnesota. This item can be shipped to United States.Balfour Company (LGB)