Ghuzz Rulers of Syr Darya, 'Abdallah b. Tahir (213-230h) and Muhammad, drachm, without mint or date, obv., bust to right with 'Abdallah b. Tahir before, rev., horseman riding right, Muhammad behind his back, 1.47g (Goncharov/Nastich Type I), some weak striking, good very fine and struck in good silver very rare (£700-1000)