Matchbox Superfast Bowater's Printers Proof Empty "New" Type K Box For 68c Chevrolet Van - 1978 Copyright proof box with green cross circles to inner end flaps; black Bowater internal factory works order sign off stamp "Customer: Lesney, Works Order No. 549837 dated: 01/02/79". 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 - Near Mint having been folded in the past. Unique historical item.