28: RARE ZEBRA GRATE POLISH PRINTER'S PROOF PAPER SIGN

A great paper sign with bright colors, outstanding graphics and interesting subject matter, possibly a prototype campaign that never saw distribution, this printer's proof retains the untrimmed margins with printer's registration markings at the top and color scale along the bottom. No examples of this sign have been found.
Image measures 13.75 x 9.25 inches including printers marks in a 21.5 x 16.5 inch frame.
Mint condition, free from damage, repair, stain to any degree, mint bright colors, apparently never exposed or displayed.
$500 - $1,500