A closure particularly for a bottle for a good-quality liquor which renders the difference between an intact bottle and a wrongfully opened bottle unusually clear, comprises a pourer body of predetermined axis fixed axially and angularly to the bottle, a cap having a skirt screwed onto the pourer body, a sleeve in at least two portions extending around the bottle, and a tubular appendix forming around an extension of the skirt of the cap and extending around the sleeve in order to keep the at least tow portions juxtaposed.
An anti-fraud closure device for providing evidence of the initial opening of a container for liquids having a pouring body, a connecting element, a mixing element for connecting the pouring body to the neck of the container, a removable cap and an outer cap disposed over and housing a cap. The device further includes a sleeve, a tubular element inserted in the sleeve and connected thereto for partial angular movement and for axial movement between a first and a second position and an element for indicating that the initial opening of the container has taken place.