L-shaped display unit comprising at least one lower display device and at least one upper display device, the display unit formed by said lower and upper display devices further comprising an interlocking device comprising at least one guide element for guiding along an interlocking axis extending in a vertical or substantially vertical direction, the lower display device comprising: - a deck comprising a plurality of upper wooden components, which are elongate in a longitudinal direction, coplanar and parallel to one another, each having an upper display surface, - a plurality of feet supporting the deck, the upper display device comprising at least: - one vertical wooden component, which is elongate in the vertical or substantially vertical direction, and - a plurality of frontal wooden components, which each have a frontal display surface, are assembled to the at least one vertical wooden component and are elongate in the longitudinal direction, - at least a first and a second device are defined from among the lower display device and the upper display device, and wherein the first device comprises said at least one interlocking device comprising a guide element with a vertical or substantially vertical axis, - said at least one guide element is shaped so as to eliminate any degree of freedom other than translation in the direction of said interlocking axis of said upper display device with respect to said lower display device, the guide element comprising a recess, and the second device comprising at least one slider that can be inserted into the at least one recess, characterized in that - the feet define the lower surface of the lower display device in contact with the ground, and in that the feet comprise two different end supports (9, 9'), namely a first end support and a second end support, which are connected to one another by a lower slat comprising the lower surface of the lower display device, the interlocking device using the second end supports, the second end supports being arranged on the same side of the lower display device and all being identical, - said upper display surfaces of the upper wooden components of the lower display device define a first planar display surface and said frontal display surfaces define a vertical or substantially vertical second planar display surface, the first display surface being inclined with respect to the second display surface so that an object to be displayed can bear simultaneously on both display surfaces (4, 18). - a deck comprising a plurality of upper wooden components, which are elongate in a longitudinal direction, coplanar and parallel to one another, each having an upper display surface, - a plurality of feet supporting the deck, the upper display device comprising at least: - one vertical wooden component, which is elongate in the vertical or substantially vertical direction, and - a plurality of frontal wooden components, which each have a frontal display surface, are assembled to the at least one vertical wooden component and are elongate in the longitudinal direction, - at least a first and a second device are defined from among the lower display device and the upper display device, and wherein the first device comprises said at least one interlocking device comprising a guide element with a vertical or substantially vertical axis, - said at least one guide element is shaped so as to eliminate any degree of freedom other than translation in the direction of said interlocking axis of said upper display device with respect to said lower display device, the guide element comprising a recess, and the second device comprising at least one slider that can be inserted into the at least one recess, - the feet define the lower surface of the lower display device in contact with the ground, and in that the feet comprise two different end supports (9, 9'), namely a first end support and a second end support, which are connected to one another by a lower slat comprising the lower surface of the lower display device, the interlocking device using the second end supports, the second end supports being arranged on the same side of the lower display device and all being identical, - said upper display surfaces of the upper wooden components of the lower display device define a first planar display surface and said frontal display surfaces define a vertical or substantially vertical second planar display surface, the first display surface being inclined with respect to the second display surface so that an object to be displayed can bear simultaneously on both display surfaces (4, 18).