Up for sale is a rare, vintage Wyse EPC (Enhanced PC) Mechanical Keyboard. This is a highly sought-after hybrid layout featuring a standard PC navigation and numpad layout rarely combined with the classic Wyse 16 physical Function Keys (F1–F16) lined up across the top row.The back sticker explicitly reads: "K/B US WY EPC"Key Features for Enthusiasts & Collectors:Vintage Cherry MX Black Switches: This board is equipped with legendary vintage linear Cherry MX Black switches, highly prized by the mechanical keyboard community for their exceptional smoothness compared to modern variants.Unique 16-F-Key Hybrid Layout: Rare layout that retains terminal-style productivity keys alongside an IBM AT-style standard alpha-numeric and numpad block.Thick Double-shot Keycaps: High-quality, durable legends that will never wear off.Condition:Cosmetic: Used, vintage very good condition. It shows typical light wear, dust, and minor age-related discoloration/yellowing common for plastics of this era. Please see photos for exact cosmetic details.Testing: Sold AS-IS / UNTESTED due to the vintage RJ11/4P4C terminal style connection. I do not have the specialized converter hardware required to test it on a modern USB computer.Physical Integrity: All keycaps are present, and every switch still presses smoothly with a clean linear feel. The coiled cable is intact.Perfect for a retro computing restoration project, a custom macro-conversion via a Soarer’s Converter, or for harvesting highly coveted vintage switches!This layout was famously utilized across various vintage multi-user systems and mainframe environments. Excellent replacement or restoration piece for systems by Wyse Technology, Alpha Microsystems (AMOS systems), Link, and other legacy 4P4C terminal nodes. Shipping & Handling:Will be packed securely with plenty of bubble wrap to ensure safe transit. Please feel free to reach out if you have any questions before offerding or buying!