Up for sale is a rare vintage Olivetti 3-Slot ISA Bus Expansion Riser Card. This specific horizontal expansion board was manufactured by Kalex (Model: B131133 / Assembly Group: Baugr. CSAA01) and used in early 1990s slimline desktop PCs, including the Olivetti PCS 386 SX and related low-profile systems.The card is in absolutely immaculate physical condition. The golden edge connector fingers are bright, crisp, and entirely free from deep scoring, scratches, or corrosion. The ISA expansion slots are completely clean and clear of dust or damage.Please note: Due to the vintage nature of 1990s computer hardware and having no matching system to test it with locally, this riser card is sold strictly as-is / untested for retro restoration, hobbyist projects, or spare parts.Shipping & Packaging:The card will be safely packaged using anti-static ESD materials and shipped via a tracked, reliable courier service to guarantee a safe delivery.