IBM Model M Keyboard 1391401 tested 03/09/90

IBM Model M Mechanical Keyboard Vintage Keyboard 1391401 Date 11JAN88

Vintage IBM Model M Buckling Spring Keyboard 101 Key 1391401 No Cord

IBM Model M Spring Keyboard Fully Working

IBM Model M Keyboard 1392595 Vintage Mechanical Buckling Spring PS/2 Clicky

Vintage IBM Model M 1391401 Buckling Spring "Clicky" Keyboard 1984 Not Tested

Vintage IBM Model M 1391401 Mechanical "Clicky" Keyboard 1989 Tested

IBM Model M Silver Label Keyboard 1986 Vintage, P/N 1390120 Near Mint Condition.