Nib Notes: Esterbrook #9450 Extra Firm Posting

Esterbrook #9450 top viewNext up on the Esterbrook nib list is the Esterbrook #9450 Firm Extra FIne nib. At least that’s what it’s usually called by everone except Exterbrook (so it seems). I would consider it an accurate description of the nib. The box refers to it as a “Extra Firm Posting” nib, once with a hyphen, and once without. Both a 1955 and 1959 nib chart list the nib in the Extra Fine section and defines its use as “Posting 1–2–3”.

While I seen several definitions for a nib called “Posting”, the one that makes the most sense to me is that it’s for posting journal entries, as in accounting. The thin, consistent line would be perfect for that. I have no idea what the “1–2–3” refers to unless it also indicates accounting (as in counting). Anyone know?

Esterbrook #9450 writing sampleI was beginning to despair that many of my 9xxx series nibs wouldn’t be any better than the 1xxx or 2xxx series equivalent. These nibs were called Master DuraCrome by Esterbrook and were tipped with an alloy Esterbrook called Osmiridium. The 1xxx and 2xxx series nibs were just rolled over steel. I guess I hit a bad patch where some of my 9xxx nibs were a little rough and the earlier nibs were smoother. This #9450 is very smooth. There’s hardly any friction on smooth paper and the feedback on more fiberous paper comes from the thin nib and not the roughness in the nib.

When I took the pictures for this post I noticed the feed wasn’t aligned. It looks worse in the close-up photo, but it’s definitely misaligned. I had written with it for several problem-free days so I left it alone. The flow is consistent, without any skipping. As the nib’s name implies, it’s stiff as a nail. The nib quickly jumped into the favorite category.

The nib does well with a light touch, although it performs better with a little more pressure than I’m used to. Although it’s not so much pressure that it’s uncomfortable to use. My normal light touch resulted in a thinner, lighter line. In some cases this might be OK, but it made a weak line in my opinion.

The Esterbrook #9450 has “Esterbrook” and “9450” are engraved lengthwise along the nib. Each gets its own line.

The nib is on eBay with buy it now prices from $18 to $33.

The Esterbrook #9450 is a nice nib for those of us who like their nibs to be nails. My particular nib has held up well over the years (looked liked New Old Stock) when I got it although the box was very worn.

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