Abstract: A coin validation apparatus includes: a conveyor conveying a coin; and a discriminator discriminating authenticity and denomination of the coin, the conveyor including: conveyor pulleys, conveyor belts each endlessly stretched between the conveyor pulleys, conveying members, each having left and right end portions attached to outer surfaces of the conveyor belts, conveying the coin rearwards in a manner laid flat and convey a coin, which has been discriminated by the discriminator as a counterfeit coin, frontwards in a manner laid flat; and guide members, provided on sides of the conveyor belts, preventing the conveying members from being separated from the conveyor belts.