HP-50G case puzzle

[cdmackay]

(12-01-2018 11:26 PM)ijabbott Wrote:  But there are some letters in the XXX part, right? That would fit the later pattern.

(12-02-2018 01:05 AM)rprosperi Wrote:  As ijabbott noted, if the sequence number has letters then this does match the later style; I'd take this as additional proof (another recent thread had some similar examples) that there were some production runs done in 2016, or at least that some runs were made at some point with 2016 serial number codes.

Yes, both of mine have letters: CNA62800M0 & CNA62800JR.

In the HP Warranty checker, the start date for both is 16th July 2016, which is in week 28, so that seems to fit.

Both have the 49GPLUS(B) moulding, with white serial number stickers.

[although that may have been my example in that other thread ]