Watch List notes:

Dollar George III Octagonal Countermark on a Mexico City 8 Reales 1801Mo (Mexico City) ESC 138, countermark GF, host coin NVF/VF with an old grey tone, and an edge nick, comes with old collector's ticket stating 'Grover 1955 Seaby No.138 50/-'

Estimate: 300-600 GBP