Special Operations Task Force East Africa. Condition: Used, and in nice shape. The coin is 2 1/2 by 3 inches. This coin has two pieces, and is approximtely 3 inches wide by 4 inches high with Neptune spear inserted. These coins have ST4 engraved in the serial number section. This is the second version of this deployment coin. It was made because ST4 members were not happy with the initial version. NOTE: Never personally given any of the coins. R from professional makers of military challenge coins. All coins are guaranteed to be in excellent condition unless specified above. The free listing tool.