Watch List notes:

NORMAN, Civil War. Eustace Fitz John. Lord of Alnwick and Malton, c. 1119-1157. Cut AR Farthing (8mm, 0.19 g). Standing Figure type. York mint. Struck circa 1150-1153/4. Armored and helmeted figure standing right, holding sword / Cross pattée with bar across each limb, within quatrefol will pellets at cusps. Allen, York 122 (dies F/g?); North 929c; SCBC 1318. Toned. VF. Very rare.

Ex Patrick Finn FPL 6 (Winter 199), no. 117.

The obverse appears to be a match to Allen's die F, but the reverse, if it is a match, is from a part of the die not preserved on that coin a cut halfpenny.