According to the standard Hebrew keyboard (SI 1452), it must be typed as Alt Gr-A: the letter ש appears on the same key in regular Hebrew mode.
Understandably, the obverse of the year 154 coin is in slightly later state, with the major distinguishing characteristic being the large flaw across the cheek of Melkart.
Though separated by more than one hundred and seventy years, they are instantly recognizable as being of the same series of coinage.
Shekels of Tyre are among the most frequent submissions to NGC Ancients.
Since the Jewish Talmud required the Temple tax to be paid with a coin of high purity of silver, the Tyre shekels and half shekels were the only acceptable coins available that met Jewish law requirement.
While the shekels of Tyre were part of the centuries old progression of the Greek tetradrachm coins.