Vintage IBM SSK space saver keyboards, model M F2 and F4

Description

Forgive me if my title is formatted improperly- let me know if I need to correct it!
Both tested working. Asking $500 shipped (in the US, overseas at cost) each, open to offers and happy to sell both for a solid bundle discount. Any questions or requests for more photos are welcome!

https://imgur.com/a/Q8lKMpT for photos(I can’t upload them via the app :-/ )