12 Kellogg's Matchbox Trucks in sealed bags

These twelve die-cast metal Matchbox trucks were offered in boxes of Kellogg's cereals. Two say "1979", and two have no date. They are in their original bags - never opened. The trucks measure approximately 3 inches long, 1 1/4 inches wide, and 1 1/2 inches tall. There are three each of four di...