.177 mate, am in peterborough and photos should be on within the hour
more info, gun has minor imperfections, two number small holes, filled, on front side of stock..one number small hole, unfilled at base of stock to rear where swivels where fitted..knurled fast focus ring missing from scope though it still works fine, stock has been expertly repaired at some stage, virtually impossible to see without removing it from gun, scope is 4x42 unknown make but reticule very clear and crisp, keeping other scope, gun has lovely vintage look with its early model underlever lock at front of barrel,