Watch List notes:

Mughal Empire, Shah Jahan (1628-58), gold Mohur (possibly contemporary copy), 10.97g, Patan Deo, AH1047, legends in square frame with knotted corners both sides (KM 260.19), a pleasing coin, reverse a little double struck, edge with a couple of tiny nicks, condition varies across flan, about extremely fine, a very rare mint for this type .
For a coin of similar type (and apparently same dies) see Zeno:
https://www.zeno.ru/showphoto.php?photo=83274
Offered in Baldwin's Auction 53, 26 September 2007, lot 1178 (unsold), and again in Auction 59-60, 5 May 2009, lot 569 (sold for £840)
Estimate: £700 - £900