JC - Closed jobs not purging

Sage 100 Standard 2013 ERP 5.00.4.0 - no 3rd party add-ons in JC, AR, AP. A handful of shipping add-ons in SO.

I have a handful of closed jobs that need to be purged that for some reason did not purge via period end processing or the purge utility.

The job number is not even available to be selected when running the purge utility. My first thought is it was already purged, but it is not available to be restored either. The job number does not exist in the lookup for either utility.

The only place the job numbers exist are in Job Masterfile Maintenance/Inquiry - I can look them up, the job is already in use if I try to re-use it. Even though the jobs are 100% complete and marked "Closed" - I cannot purge them.

I am completely stumped - KB, SageCity, and my friend Google - no one else seems to be having this same issue. I decided to post here because I would like to have this added to the collective Sage 100 knowledge once it is resolved.