AKA: MARK 18 / MEMORY, Product number (P/N): 18,
Keywords/Tags: 18 | MARK 18 | MEMORY
Date of intro: ~1974, Origin: USA (List),
Display: Type = Display (LED) (List),
Number of keys: 24, #Key-Black: 5, #Key-Red: 9, #Key-White: 10,
Miscellaneous switch: [(Blank)-ON],
Classification: / Pocket,
Featuring: Procent,
Known Serial-numbers: K19223 (K 19223) (List of all S/Ns from APF)
Collector value: 7.5/10,

!!! This item is WANTED to join the collection !!!