Chuck242: IAW my reference material, the #248 with an orange body and peacock blue painted inserts dates from 1928-1929 and has a "cast" headlight. OBTW your cars, the 629 Pullman and 630 observation with orange body and peacock inserts, are also correct for 1928-29 and did come with the orange engine in "Outfit 292" (Lionel's term for a set) as your box shows.
What a great find! A beautiful set for certain.
Don