hello,
today i found two old HP calculators from my father.
i wonder if they still have some value.
HP-25
serial: 1605S32286
equipment: original HP leather case, ac adapter, user guide (german)
HP41C
serial: 2041A01654
equipment: only the leathercase and 2 memoryunits
condition: both are used(of course) and a bit dirty, but they still work.