VINTAGE THE FLASH ANIMATION CEL cartoon PAN background production art 1960's X1

Here we have a really nice 1960s hand-painted screen used animation cell from "the flash" animated series. This is an amazing panoramic. Cel placed on a handpainted screen used panoramic Filmation studios 1960’s background ( non series matching). Stuff like this rarely pops up for sale.

The size is roughly 11 x 40+ inches

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