Tested and works great, fantastic condition. The Vintage Rare Braun AG 4835 872-B Calculator with Original Slipcover is a sought-after collector's item due to its rarity and vintage appeal. Made in Japan by the renowned brand Braun, this calculator is a unique piece of electronics history. Its original slipcover adds to its charm and authenticity, making it a valuable addition to any vintage electronics collection. With its sleek design and functionality, this calculator is sure to delight both vintage tech enthusiasts and collectors alike.