The first mechanical pencil from Staedtler MARS-770 and newer MARS-MICROGRAPH leads (from MARS-MICROGRAPH 770 era)
Last picture is taken from @drifand post Eagle Turquoise ‘Twenty’ - a beautiful dead end - #5 by drifand
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They later changed the colour coding, didn’t they? I mean, for the 2.00mm lead cores.
I have a certain amount of boxes of 2.00mm lead from Staedtler, but never attempted at retrieving all the interchangeable caps and make a list of hardness-associated colours (also because there ought to be such list on the bottom of the lead container itself, at least for the lead produced during a defined era). I believe HB is still black, and so are F and H, but their 2.00mm range went from 8H/9H to 6B, so they had to introduce more colours — cannot find an image online, and I am not close enough to a container to take pictures…
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What a great find. That’sa very nice looking pencil! The one piece cap was a touch that never should’ve ended.
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I am really not sure. I would have to go through all my junk, but I definitely don’t have all the hardness… And I can’t even find it quickly in any catalog right now.
I’ll check my inventory when I get close again to the collection, and see what I can find.
Also, in this spread page I see an entry for the Mars-Non-Print, but nothing related to the Mars-Non-Photo-Blue, which probably were added later (both in 2.00mm and in 0.5mm).