determination of the authenticity of the sword

[NeilUK]

Almost everything is wrong; the pommel should be strongly bossed, not a bevelled disc; the collar and langets should be forged in one with the quillons; the langets should be slimmer and tapered; the quatrefoils are too thick; the blade should be flat or lentoid in section, not diamond; the ricasso is stepped down much too abruptly; in short it doesn't look right! Quite apart from the fact that virtually all Scots Highland two-handers are known and most are in public collections. Sorry.
Neil