If you are part of the Redump project, this specific Rev 1 is a "missing link." While standard Japanese dumps exist, a properly ripped Rev 1 (with accurate .bin/.cue and proper hashes: CRC32, MD5, SHA-1) is considered a high-value contribution. The keyword is the tag that separates a common file from an archival treasure.
However, the game was never released outside of Japan. If you wanted to play it, you needed a Japanese PS2, a modded console, or an emulator. And this is where enters the picture.
: To level up and receive cash bonuses, players must collect four card suits (hearts, diamonds, clubs, and spades) scattered across the board and return to the starting bank position.
Gorgeous King , released exclusively in Japan for the PlayStation 2 on December 19, 2002, is the black sheep of the series. It followed the original Itadaki Street on the PS1 and preceded the more famous Dragon Quest & Final Fantasy in Itadaki Street Portable on the PSP.
This is likely the Japanese version of Itadaki Street: Gorgeous King for the PlayStation 2, with “Rev 1” meaning a later pressing or revision of the disc/master copy.