An aerial display apparatus, comprising: a support base for placing on a support surface; a display mounting frame; an aerial lift mechanism mounted on the support base and being actuatable to change the elevation of an upper end portion of the lift mechanism above and relative to the support base; an attachment mechanism (106, 167) supported by the upper end portion, the attachment mechanism comprising: a forward component (132, 170) disposed rearwardly of the display mounting frame and comprising a mounting structure (136, 171) having a front side and rear side; and a rearward component (134, 169) attached to the upper end; characterized in that: the forward component further comprises at least two rearwardly-projecting tubular members (138, 172) being laterally spaced apart and extending fore-and-aft and parallel with one another, each rearwardly projecting member having a forward end; the rearward component (134, 169) further comprises at least two forwardly-projecting tines (162, 189), wherein the at least two forwardly-projecting tines are configured to slidably insert into and interfit with the at least two rearwardly-projecting tubular members (138, 172); the mounting structure (136, 171) is attached at the rear side to the forward ends of the at least two rearwardly-projecting members and is configured at the front side to detachably attach to the display mounting frame; the forward component (132, 170) and rearward component (134, 169) are configured to interfit with one another so as to reversibly attach with and detach from one another, thereby reversibly coupling and decoupling the display mounting frame to and from the upper end of the lift mechanism; and the aerial lift mechanism is actuatable to change the angle of the upper end of the lift mechanism relative to the support base. a support base for placing on a support surface; a display mounting frame; an aerial lift mechanism mounted on the support base and being actuatable to change the elevation of an upper end portion of the lift mechanism above and relative to the support base; an attachment mechanism (106, 167) supported by the upper end portion, the attachment mechanism comprising: a forward component (132, 170) disposed rearwardly of the display mounting frame and comprising a mounting structure (136, 171) having a front side and rear side; and a rearward component (134, 169) attached to the upper end; a forward component (132, 170) disposed rearwardly of the display mounting frame and comprising a mounting structure (136, 171) having a front side and rear side; and a rearward component (134, 169) attached to the upper end; characterized in that: the forward component further comprises at least two rearwardly-projecting tubular members (138, 172) being laterally spaced apart and extending fore-and-aft and parallel with one another, each rearwardly projecting member having a forward end; the rearward component (134, 169) further comprises at least two forwardly-projecting tines (162, 189), wherein the at least two forwardly-projecting tines are configured to slidably insert into and interfit with the at least two rearwardly-projecting tubular members (138, 172); the mounting structure (136, 171) is attached at the rear side to the forward ends of the at least two rearwardly-projecting members and is configured at the front side to detachably attach to the display mounting frame; the forward component (132, 170) and rearward component (134, 169) are configured to interfit with one another so as to reversibly attach with and detach from one another, thereby reversibly coupling and decoupling the display mounting frame to and from the upper end of the lift mechanism; and the aerial lift mechanism is actuatable to change the angle of the upper end of the lift mechanism relative to the support base. the forward component further comprises at least two rearwardly-projecting tubular members (138, 172) being laterally spaced apart and extending fore-and-aft and parallel with one another, each rearwardly projecting member having a forward end; the rearward component (134, 169) further comprises at least two forwardly-projecting tines (162, 189), wherein the at least two forwardly-projecting tines are configured to slidably insert into and interfit with the at least two rearwardly-projecting tubular members (138, 172); the mounting structure (136, 171) is attached at the rear side to the forward ends of the at least two rearwardly-projecting members and is configured at the front side to detachably attach to the display mounting frame; the forward component (132, 170) and rearward component (134, 169) are configured to interfit with one another so as to reversibly attach with and detach from one another, thereby reversibly coupling and decoupling the display mounting frame to and from the upper end of the lift mechanism; and the aerial lift mechanism is actuatable to change the angle of the upper end of the lift mechanism relative to the support base.