The picture shows a view of this Old Lockheed Advertising Gold Filled & Enameled Employee Service Pin. The pin is not dated. It is a five year employee service pin. It has a star logo on the front with black enameling. On the back is a tie tack type pin and the back section is included. It is marked on the two sides as follows:
5 LOCKHEED L 1/10 10KT G.F.
The pin measures 5/8'' wide. It apprears to be in mint condition as pictured.