I reached out to Mecum about this truck listing and they sent back, "You are correct, it is a 1955. We had it accidentally in as a 1950, and the VIN does show its a 1955".
Mystery solved!
Mike B
Mike Boteler
1956 Chevy 3100 Resto Rod 1952 Willys M38 Army Jeep 1983 Jeep CJ7 Laredo 1984 Jeep CJ7 +++++ Silver Spring, MD