Display case with at least one translucent face provided with a securable opening, comprising: - an exhibition volume intended to house one or several objects to be exhibited in the display case; - a visibility surface provided with at least one secure swivel display with fastening on one of the outer edges of the display case - a panel pivotally attached to the display case by one of its sides by means of a pivoting lateral support; - said panel being made of translucent laminated glass; wherein - the pivoting lateral support is in the shape of an elongated section and extends substantially over the entire height of the translucent panel, the panel being held by this support through recessing in an edge of the section, the section comprising a mechanical interface ensuring a pivoting movement between the display case and the panel; - a pivoting lateral rail on a pivot axis provided in the central zone of the rail which is fastened in pivoting manner to the display case in the zone opposite to the translucent panel relative to the pivoting lateral support, wherein said pivoting rail comprises a housing in which the free edge of the panel) is inserted when the latter is in the closed position, wherein said housing is defined by an outer face of the rail provided on the outer side of the showcase and an inner face of the rail opposite the outer face, wherein the inner face is oriented so as to form an angle relative to the outer face so that said inner face is oriented inwardly of the display case when the translucent panel or panels is/are in closed position; - the pivoting rail comprises a resting surface provided substantially opposite the housing in relation to the axis, wherein said resting surface is provided to work with a lock capable of being positioned against said surface so as to prevent a possible pivoting movement of the pivoting rail, preventing the opening of the panel blocked by an outer face of the housing. - an exhibition volume intended to house one or several objects to be exhibited in the display case; - a visibility surface provided with at least one secure swivel display with fastening on one of the outer edges of the display case - a panel pivotally attached to the display case by one of its sides by means of a pivoting lateral support; - said panel being made of translucent laminated glass; wherein - the pivoting lateral support is in the shape of an elongated section and extends substantially over the entire height of the translucent panel, the panel being held by this support through recessing in an edge of the section, the section comprising a mechanical interface ensuring a pivoting movement between the display case and the panel; - a pivoting lateral rail on a pivot axis provided in the central zone of the rail which is fastened in pivoting manner to the display case in the zone opposite to the translucent panel relative to the pivoting lateral support, wherein said pivoting rail comprises a housing in which the free edge of the panel) is inserted when the latter is in the closed position, wherein said housing is defined by an outer face of the rail provided on the outer side of the showcase and an inner face of the rail opposite the outer face, wherein the inner face is oriented so as to form an angle relative to the outer face so that said inner face is oriented inwardly of the display case when the translucent panel or panels is/are in closed position; - the pivoting rail comprises a resting surface provided substantially opposite the housing in relation to the axis, wherein said resting surface is provided to work with a lock capable of being positioned against said surface so as to prevent a possible pivoting movement of the pivoting rail, preventing the opening of the panel blocked by an outer face of the housing.