I have several IBM Model M keyboards for sale of varying model types. All have been tested and work, and they all come with cords which have PS/2 connectors. I'll charge actual shipping costs from SE Michigan USA:

#1: Metal IBM Logo Part #1390131 - $125

http://atariprotos.com/temp/keyboards/modelm1_1.jpg
http://atariprotos.com/temp/keyboards/modelm1_2.jpg


#2: Black IBM Logo Part #1391401 - $100

http://atariprotos.com/temp/keyboards/modelm2_1.jpg
http://atariprotos.com/temp/keyboards/modelm2_2.jpg


#3: Black IBM Logo Part #1391401 - $100

http://atariprotos.com/temp/keyboards/modelm3_1.jpg
http://atariprotos.com/temp/keyboards/modelm3_2.jpg


#4: Blue IBM Logo Part #1391401 - $75

http://atariprotos.com/temp/keyboards/modelm4_1.jpg
http://atariprotos.com/temp/keyboards/modelm4_2.jpg


#5: Blue IBM Logo Part #1391401 - $75

http://atariprotos.com/temp/keyboards/modelm5_1.jpg
http://atariprotos.com/temp/keyboards/modelm5_2.jpg


#6: Blue IBM Logo Part #1391401 - $60 (This one is missing two key caps)

http://atariprotos.com/temp/keyboards/modelm6_1.jpg
http://atariprotos.com/temp/keyboards/modelm6_2.jpg


#7: Blue IBM Logo Part #52G9700 - $75 (hardwired cable)

http://atariprotos.com/temp/keyboards/modelm7_1.jpg
http://atariprotos.com/temp/keyboards/modelm7_2.jpg


#8: Blue IBM Logo Part #52G9700 - $75 (hardwired cable)

http://atariprotos.com/temp/keyboards/modelm8_1.jpg
http://atariprotos.com/temp/keyboards/modelm8_2.jpg


#9: Blue IBM Logo Part #71G4644 - $50 (This is a non-clicky rubber dome model)

http://atariprotos.com/temp/keyboards/modelm9_1.jpg
http://atariprotos.com/temp/keyboards/modelm9_2.jpg