they were never officially produced in the Lionel Postwar line

Model Number: 01-6007

Included details are plastic & resin

Locomotive Details: Class: Princess Coronation

Lionel K-Line 6-21472 Ringling Bros Flatcar with 2 Trailer VariantsUnitPrice_number_331.42 they were never officially producedHere is a Lionel K Line 6 21472 Ringling Bros Flatcar with 2 Trailer. At mid century Ringling Bros. and Barnum & Bailey used a combination of rail and truck transport. This flatcar carries tractor trailers decorated with real designs of the era. This flatcar features diecast metal trucks, operating metal couplers, and measures 11 inches long. Condition: Factory New (C 9) Operational Status: Functional Original Box: Yes (P 9) Manufacturer: Lionel Model