This just off the bench is a restored 8/8” Full Hollow “Singing” ATOR of an unknown year of manufacture,
but I suspect it is a fair new blade due to the original white milk bottle type cast plastic scales that were rather flexible with ATOR printed on them,
the wedge looked like & piece of black paper it was so thin and the blade heal still protruded lower than the scales
and the pins were Aluminium & there was also a false third pin formed as part of the inside of the front scale only.

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It was originally an 8/8" blade but after a much needed attitude adjustment to remove a lopsided frown it has come out at a Micky hair over 15/16”
the tang was bent so had to restraigtenit & then I needed to remove of a micro hook in the heal area which has removed a bit of the heals original squareness

But now redressed in a new fluoro green Disco suit to break the flat square shape a bit
I think it came out alright for my first attempt at Acrylic

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Final outcomes
Blade ATOR 15/16” Full hollow Round point
Scales & Wedge: Fluorescent Green Acrylic
Pins, washers & thrust washers: Brass

this is still to be final honed but I am sure it is going to be a PITA as the spine is only 3/16” with a 7/8” spine to edge blade face, with 1 layer of tape it comes out at a bevel angle of only 13.2° still and it is a paper thin & flexible blade
some joy for my next honing day

Does anyone have any idea of the age of it & if this is a true ATOR or a rip off as it has no other markings?