1391472 | IBM SSK Space Saver Keyboard Model M Clicky Keyboard | eBay https://www.ebay.com/itm/1391472-IBM-SSK-Space-Saver-Keyboard-Model-M-Clicky-Keyboard/163700333919?epid=24011373254&hash=item261d4cdd5f:g:vBwAAOSwx7Fc5FNt
高すぎるんじゃ！