The Western Pacific No. 6464-100 was available in 1954 and 1955 and this car would be the first car of this series to have the suffix, "100" in this instance, rubber-stamped on the sides. This SILVER painted car has a YELLOW feather and BLACK rubber-stamped lettering. Later variations would have an ORANGE painted body with a BLUE feather and WHITE rubber stamped lettering. This car would later be released in 1966 under the No. 6464-250. All of these cars have Single-block doors and bar-end trucks with magnetic couplers. There are seven variations:
Variation A: Produced on a Type I body, SILVER paint with shortened YELLOW feather. Moderately scarce.
Variation B: Produced on a Type IIA body with a shortened 18.5 cm YELLOW feather.