The IBM 1391401 Model M Clicky Keyboard from July 1991 is a classic mechanical keyboard known for its reliable performance and detachable palm/wrist rest. With a sleek white design and enhanced function keys, this keyboard is a stylish and functional option for users looking for a high-quality typing experience. The IBM Model M is also compatible with various connectivity options such as PS/2, wired, and USB, making it a versatile choice for different computer setups. Overall, this keyboard is a timeless piece that combines functionality with a retro aesthetic.