Coin of Kushan ruler Chhu
Vincent Arthur Smith, CIE, (1848–1920)
<a rel="nofollow" class="external text" href="https://archive.org/details/in.ernet.dli.2015.61213/page/n133">Catalogue Of The Coins In The Indian Museum Calcutta Vol I Plate XIV 9</a><br>Published in 1906