Leo I, AE11 of Constantinople, AD 457-474. 1.24 g. 

DN LEO PF AVG, pearl diademed, draped, cuirassed bust right.
No legend, lion crouching left, head right; all within 
wreath.
Mintmark CN.

RIC X 677; Sear 21461. 

With permission of Pecunem Gitbud & Naumann, June 2014.