Something is not quite right with your pics. All I get is this:
vBulletin Message
Invalid Attachment specified. If you followed a valid link, please notify the
administrator
But ISMACS says this about it:
[TABLE]
[TR]
[TD="width: 92, align: left"]760G[/TD]
[TD="width: 74, align: left"]1972-74[/TD]
[TD="width: 65, align: left"]Domestic[/TD]
[TD="width: 848, align: left"]Zigzag; slant needle; full auto range of stitches plus pattern discs; tubular bed; automatic bobbin winder; one-step buttonholer; Flexi; lt. grey[/TD]
[TD="width: 125, align: left"]15x1[/TD]
[/TR]
[/TABLE]
Are they rare, or unique? I don't really know. I haven't seen one yet.
Joe