THIS IS AN ATLAS MODEL RAILROAD CO MASTER LCOCOMOTIVE SERIES – SILVER #9934 MISSOURI PACIFIC-15DC #1539 LOCOMOTIVE AND TENDER. IT LOOKS LIKE IT HAS NEVER SEEN A TRACK. THIS IS FROM THE ESTATE OF A HUGE HO SCALE RAILROAD COLLECTOR. HE KEPT ITEMS IN THEIR ORIGINAL BOX AS A COLLECTIBLE RATHER THAT USE. THANK YOU