The full-game promo is identical to the retail game. Supposedly PS1 promos were not for review by press, but given to retailers to presell the game. Usually 1000 copies were made of promos like this.
Most discs came in jewelcases without any inserts, but may have come with regular UK manuals. One set of discs came in a press/ shop kit with a cut retail front insert.
1. Disc 1
2. Disc 2