the art how the several forms of the invention may be embodied in practice referring now in detail to the drawings the reference numeral 10 denotes generally a merchandise display case particularly suited for exhibiting jewelry as encompassed by this invention the display case 10 is defined by an enclosure formed with a pair of triangular shaped side walls 12 14 a base 16 a back wall 18 an inclined front wall 20 and a top wall 22 the back wall 18 is hingedly connected to the base 16 and is further lockably securable at its uppermost edge to the front wall 20 the walls 12 22 are preferably fabricated from rigid sheets of a transparent plastic material such as lexan further by way of example the typical dimensions of the display case 10 include a width dimension of 30 cm a heighth of 35 cm a depth at the base 16 of 18 cm and a depth dimension of the top wall 22 of 4 cm the interior of the display case 10 is designed to accommodate selected arrangements of ring boxes earring display cards and necklace racks collectively referred to by reference numeral 24 additionally a shelf 26 is adjustably attachable to the side wall 12 for this purpose a slot 28 substantially parallel to the angle of inclination of the front wall 22 is provided in the wall 12 the shelf 26 is substantially planar and includes a laterally projecting threaded stud 30 extendable through the slot 28 a knurled nut 32 preferably fabricated of a transparent plastic is provided with an internally threaded bore for accommodating the stud 30 the shelf 26 can be slidably.