Up for sale is an. Extremely RARE Vintage MS-300 3-button Serial Mouse and DTK Computer Mouse Pad with.New York and the World Trade Center on it!! Mouse is still in box, although box is torn, but still complete. I don't remember if we ever used the mouse or the mouse pad. The item "Extremely RARE Vintage MS-300 Serial Mouse and DTK Computer Mouse Pad with WTC" is in sale since Tuesday, August 27, 2019. This item is in the category "Computers/Tablets & Networking\Vintage Computing\Vintage Parts & Accessories". The seller is "zsoltse84" and is located in Budapest. This item can be shipped to North, South, or Latin America, all countries in Europe, all countries in continental Asia, Australia.