Pilot 1982 Catalog

[Pdunc67]

Pilot 5 digit Date Code Hypotheses

These codes are driving me crazy: [image] I’ve reached out to Pilot a few time (Japan and US) and can’t seem to get a response… I’m suggesting these codes are actually a manufacturing date code, similar to what Pentel used around the same time. Here’s how I think it breaks down: Digit 1 (Number): This is the last digit of the year it was made (e.g., ‘8’ for 1988, ‘0’ for 1990). Digit 2 (Letter): This indicates the month, following the same code Pentel uses. Digits 3 & 4 (Numbers): These re…

maybe this is the answer?