Matchbox Superfast Bowater's UN-RELEASED PRINTERS PROOF EMPTY "NEW" TYPE L BOX FOR 16b PONTIAC TRANS AM - BOX ARTWORK ILLUSTRATES THE MODEL ON BOTH PICTURE FACES & END FLAPS WITH ADDITIONAL "TRANS AM" SIDE LABELS, THE STRIKER SIDE ARTWORK ALSO SHOWS THE ADDITIONAL SIDE LABELS ALONG WITH THE 5-ARCH WHEEL SUSPENSION ILLUSTRATION WHICH WAS NOT CARRIED FORWARD TO THE RELEASED BOX ARTWORK, THE COPYRIGHT DATE IS ALSO FOR 1979 NOT 1980 AS RELEASED - 1979 Copyright proof box without green cross circles to inner end flaps; red Bowater internal factory proof stamp "Approved For Printing & Approved for Creasing & Make-up" dated: 12/09/79"; black Bowater internal factory works order sign off stamp "Customer: Lesney, Works Order No. COL 55974 dated: 09/07/80. Box does not have the print registry number to the end flap tab alongside the Bowater Trade Mark, these were only added once the full printers sheet was completed, being dependent on where the box was positioned on that main sheet. Overall Excellent, having been made up and then subsequently taken apart along the seam once the design had been approved by Lesney Products, also has 2 tiny staple holes to one end flap. UNIQUE HISTORICAL ITEM - THIS IS THE ONLY KNOWN EXAMPLE TO EXIST ILLUSTRATING THE FACTORY PRE-PRODUCTION COLOUR TRIAL MODEL. AN UNREPEATABLE OPPORTUNITY TO ADD THIS TO YOUR COLLECTION!