Old Black & White Whisky bottle

[Unregistered]

I have an old bottle in excellent shape - label intact - bottle is dark green in color - label says" Product of Scotland "Black & White" Special Blend of Buchanan's choice old scotch whisky.............Glasgow & London Contents 15 ozs.
Wire Cap says James Buchanan & Co. Ltd. By appointment to H.M. the Queen. Number on bottom of bottle 58578 N C 5 O C 8. Scotty Dog label on front of bottle.

Does anyone know the value of this bottle?

Thanks, Millie Nelles

[Jojo]

Millie -we can have your bottle dated - but we need you to post pix!