1945. Many parts of this set are consistent with 1945 production, those with be highlighted. Includes a 224 steam loco, correct for set with inserts and correct over-stamped box; 2466W whistling tender, 1946 production, but has theover-stamped box, shell has mildew; 2458 PRR Boxcar, correct version with correct over-stamped box; 2755 Sunoco Tank with nice silver and decals, has whirly wheels, but late f/s trucks, 1946 box; 2452 PRR Gondola with 4 correct split drums, hasearly f/s trucks, but no whirly wheels, 1946 box; 2457 PRR Caboose, correct for set with correct over-stamped box; rest of trains show light play wear with RCS, 167. incorrect paperwork, late lube tube, repaired set box with tape residue anddamage, nice label.