How to identify HP-49g+ production runs

[Wes Loewer]

(11-23-2022 09:29 PM)Eric Rechlin Wrote:  The later ones come with a canvas case that may be more durable than the synthetic leather cases from the earlier ones, but I haven't seen enough out there to know how they hold up.

My experience with 50g cases is that the canvas holds up MUCH better than the synthetic leather cases which start to flake off after a few years. I eventually had to throw away the synthetic leather case from my 49g+ as it made a big mess with all the flakes.