Namco's professional baseball game, released in 1991 in HuCARD format. - Title: Pro Baseball World Stadium '91 - Brand: Namco - Format: HuCARD - Release Year: 1991 - Model Number: NC91002 Thank you for viewing. Operation confirmed on Retro Freak. Everything is included except the postcard, but this is a used item. Please refrain from purchasing if you are looking for a new, complete product. There are age-related stains on the back of the instruction manual. The original card sleeve has been disposed of due to aging and replaced with a 100-yen store card case. Thank you.