in fig1 a shoulder 262 is defined on the prong rearwardly of the tip 260 with reference now to fig1 a fourth embodiment of a sign holder according to the present invention includes a first panel 310 which comprises a preferably integral prong 316 that extends approximately normal to a plane of the first panel the first panel further comprises a second edge 318 along which is defined a hinge member 320 the hinge member 320 connects the first panel 310 to a second panel 330 located in the second panel is an aperture 334 which extends from a front face thereof to a rear face thereof provided on the first panel are two additional prongs a second prong 340 and a third prong 342 these two prongs are located adjacent opposed side edges of the first panel 310 located on the second panel 330 are two additional apertures 344 and 346 which are meant to cooperate with the two additional prongs 340 and 342 on the first panel such cooperation occurs at the same time as the first prong 316 enters the first aperture 334 in this embodiment the first prong 316 does not need to have a shoulder rather the first prong 316 can simply be in the form of a pin to hold the first panel 310 to the second panel 330 the second and third prongs 340 and 342 can be provided with extensions 347 and 348 which are meant to lock onto a rear side of the second panel 330 due to the resilient nature of the material from which the holder is made the prongs simply snap fit in the apertures 344 and 346 when so desired but they can also be.