Bar Kochba, Irregular Pierced,Biblical/Judean US $72.00 Nov-17-03 amphoracoins RARE barbarous bronze of Bar Kochba, apparently struck at a second Bar Kochba mint, probably traveling with the troops. This coin was perforated in ancient times. Meshorer observes that usually this phenomenon occurs with the Bar Kochba denarii. After the war, Jews perforated these coins for use as jewelry, tokens of rememberance of the fight for Jewish independence.. Bar Kochba, 132-135 AD, irregular (barbarous) middle bronze of 23.5 mm, 7.85 grams. This coin was struck 134/35 AD. Obverse: Seven-branched palm tree. Reverse: Vine leaf on tendril. Reference: Mildenberg 179, only FOUR examples listed! Hendin-736a variety.