Up for sale is 2 single screw back earrings. One is INSTINCTOR  N.F.A.A. ( National Field Archery Association of the United States, Inc.). It is marked SS on the back. Serling Silver?? not sure. The other is an arrow that is marked STERLING on the back. I'm not sure of the age of them but they are both well worn but still in pretty good condition.    *****. BUYER TO PAY $4.50 SHIPPING IN THE U.S.   *******