Watch List notes:

RUSSIAN COINS AND MEDALS. Michael Feodorovich (1613-1645). Novodel Gold ¼-Ducat, 0.88g, double-headed eagle, rev five-line legend (F 34; Shubert 38). Extremely fine.
this issue is a mule of the original obverse die and later novodel die of the late 1700s

Estimate: £700-900