I found this tiny apothecary weight yesterday; there are two symbols on it. I know that the "3" symbol stands for drachms or drams, but I don't have a clue about the second one.
1970 COMPASS-
WHITES SILVER EAGLE-
WHITES DFX, 4X6DD COIL, 6X8DD COIL, 950 COIL, 10X12SEF COIL-
GARRETT PRO POINTER AT, GARRETT AT PRO , MINELAB EXPLORER SE with 8.5x12.5 Cors coil