Found this in the shop, so no idea who pops it:
An armor merchant tells you ‘Ahh yes, I have a heavenly girdle of the ages…Here is a little bit of information for you:’
Object ‘heavenly girdle ages’, Item type: ARMOR
Item is: NOBITS
Weight: 15, Value: 77777, Worn in: TAKE WAIST
AC-apply is -0.3
Can affect you as:
Affects: HITPOINT by 5
Only those who are at least experienced thieves, warriors, bards, or monks may use this item.