Watch List notes:

Brunswick-Wolfenbüttel, Christian, Bishop of Halberstadt, silver striking of a goldgulden, 1622 ('pfaffenfeindgoldgulden'), type similar to the last, 1.84g (cf. Welter 1376; Fiala 4, 1812), edge chipped by sword, very fine and very rare

The coin is offered as an old cast copy with an irregular edge is caused by imperfect casting rather than chipping.  Revised estimate: £80-120