A coin placement unit is equipped with: a coin spread portion having two perpendicular wall surfaces and a recessed surface comprising a gutter-shaped recessed portion extending in the direction orthogonal to the perpendicular wall surfaces between the two perpendicular wall surfaces; a coin slot portion having a coin slot; and a ridge line portion provided between the coin spread portion and the coin slot portion so as to partition the coin spread portion and the coin slot portion. The coin spread portion, the ridge line portion, and the coin slot portion have the same width and are continuous in the direction toward a depth side.