Modern Era K-Line O Gauge K-6457 Southern Pacific Express Mail car, K90004 KCC X-Mas box car with die-cast trucks, K90003  KCC tank car silver chassis, two K647702 Denver & Rio Grande Western box car, K649304 Hercules Power Company box and K6160 Union Pacific lighted caboose.  K-6457 looks C8, run time.  Rest of trains look Mint, un-run C9-10.  Boxes show little wear, some have price stickers or sticker removal, some have magic marker, etc.  Boxes are clean, bright, square and solid.