No. 6464-475 Boston & Maine was available in 1957-60, 1965-66 and 1968. Production spanned three different body types: Type IIB, Type III, and Type IV. Only the Type IV which had GRAY, YELLOW and BLUE bodies that were painted various shades of BLUE are moderately scarce. There are a total of eight known variations of this car, and early issues would have bar-end trucks while latter issues would have AAR trucks. All issues had heat stamped lettering.