
Just got the last package of leads won on an
Ebay auction. A box of
Mitsubishi Uni 0.7 mm leads that originally came with twelve tubes with twelve leads each. I knew it contained only 11 tubes, and most of them were completely full.

View of the back of the box.

View of the sides of the box.

The box actually contained two different designs of 0.7 mm containers. One labeled simply "Uni 0.7 mm
HB" on the side of a rectangular tube, and the other was labeled "Uni Automatic Refill Leads EF Eberhard Faber -Made in Japan" on the side of the oval shaped-tube and "0.7 mm
HB" on the plastic cap. Thus judging from the oval packaging and the sticker on the outside mentioning the
Eberhard Faber company name, this 1 gross box of leads would probably be at least 20 years old.

The only other time I have ever encountered the rectangular tube design of graphite leads was a few years ago in a carded set of with a
Mitsubishi Uni-ball Shalaku 0.5 mm mechanical pencil in Peru.
Samples doodles drawn on
Strathmore Visual Journal vellum Bristol. So yes, these vintage 0.7 mm leads stored well and retained their functionality. They bear no clear indication of how old they might actually be and I have only found references to them in the
Mitsubishi Pencil Australia website and other overseas sites, but I can tell you that I have yet to find a
Mitsubishi Pencil Co. product that I did not like. As a general rule I do not hesitate to try any graphite art supply marked "
Made in Japan" or "
Made in Germany" regardless of age.
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