This is a very rare calculator from Olivetti, the company known for its typewriters. It has hardly been used and has been kept as an objet d'art. Released in 2001, this calculator was designed by Michele De Lucchi, a master of Italian design. The name "GIOCONDA" is the alternative name for Leonardo da Vinci's Mona Lisa. Main Features: 12-digit large LCD, Solar and battery dual power 185 x 76 x 188mm It appears to be in good condition with no scratches except for two small scratches on the 7th image. Operation has been confirmed. Please note that this is a used item and is sold as-is, no returns accepted. Thank you for viewing. #olivetti #CASIO S100 #SHARP