Sticker placing device for placing stickers and/or patches onto a surface such as a paper sheet, the sticker placing device comprising: a cylindrical guiding body (10,20) having an upper end with an upper opening, a lower end with a lower opening and a guiding channel extending between the lower end and the upper end; a sticker cartridge for holding a stack of stickers and/or patches, which sticker cartridge is inserted in an insert direction into the guiding channel, wherein the sticker cartridge comprises a tubular cartridge body with a dispensing opening and an upper opening; and a sticker placer which is moveable connected to the guiding body and which comprises a pusher which extends at least partly into the sticker cartridge and the guiding body via the upper opening of the sticker cartridge and the upper opening of the guiding body for pushing onto a stack of stickers and/or patches within the sticker cartridge, wherein the sticker placer is moveable between a rest position, in which the sticker placer is located at or near the upper end of the guiding body 10), and a placing position, in which the guiding body is positioned within the sticker placer and the sticker and/or patch is stuck to the surface, characterized in that the sticker cartridge is inserted into the guiding channel via the lower opening of the guiding body, and in that the sticker cartridge comprises first coupling members and the sticker placer comprises second coupling members, wherein the first and second coupling members (37, 57) are configured to form a one-way coupling, wherein the one-way coupling allows movement of the sticker cartridge in the insert direction and blocks movement in a direction opposite to the insert direction. a cylindrical guiding body (10,20) having an upper end with an upper opening, a lower end with a lower opening and a guiding channel extending between the lower end and the upper end; a sticker cartridge for holding a stack of stickers and/or patches, which sticker cartridge is inserted in an insert direction into the guiding channel, wherein the sticker cartridge comprises a tubular cartridge body with a dispensing opening and an upper opening; and a sticker placer which is moveable connected to the guiding body and which comprises a pusher which extends at least partly into the sticker cartridge and the guiding body via the upper opening of the sticker cartridge and the upper opening of the guiding body for pushing onto a stack of stickers and/or patches within the sticker cartridge, wherein the sticker placer is moveable between a rest position, in which the sticker placer is located at or near the upper end of the guiding body 10), and a placing position, in which the guiding body is positioned within the sticker placer and the sticker and/or patch is stuck to the surface, characterized in that the sticker cartridge is inserted into the guiding channel via the lower opening of the guiding body, and in that the sticker cartridge comprises first coupling members and the sticker placer comprises second coupling members, wherein the first and second coupling members (37, 57) are configured to form a one-way coupling, wherein the one-way coupling allows movement of the sticker cartridge in the insert direction and blocks movement in a direction opposite to the insert direction.