Best of Knockology: Mechanical Pencil Knowledge Index

[Vici81]

Berol

Berol Appreciation Sunday

[IMG_9063] [IMG_9064] Berol is one of those brands that kind of lost prominence after the 1980s. I’m no historian but I believe it started as the Eagle Pencil Co., who made the famous Turquoise brand of pencils and lead holders. Then it evolved to become Berol Eagle, and then just Berol. The Turquoise brand is still their best known product brand. These are a mix of the basic TD-3 and TD-5 with the distinctive knurled grip, and the TD7 and TD9 ‘Automatic’ that had a plainer style but spring…

Bigraph

Bigraph (state of collection)

While I was looking for certain Staedtler pencils (which I haven’t found yet), I came across my bigraph pencils and made another update photo (I already have one of them https://www.reddit.com/r/mechanicalpencils/comments/m807my/bigraph_update/ ). So that’s the SOBC (state of bigraph collection) [bigraph2] The Supers (S and T) are a strict family, while the Standards (S, T and TS) are quite different. The Standard TS was manufactured by Pentel (there is an imprint on the clip), the Standard …

Bigraph Super 0,5 market price?

What is the market price of a Bigraph Super 0,5 with black grip in good condition? There are two on ebay right now, one with brown grip at 60 dollars and one in 0,7 with blue grip and box at 85. None with black grip, is it less / same / more rare than these? [image (2)]