Lionel TCA 7812-1977 23rd National Convention Houston Stock Cattle Car & O Gauge 6-12706 Barrel Loader Building. ORIGINAL BOXES. .  ..THIS COMES FROM AN ESTATE OF A TRAIN COLLECTOR. THIS IS A MASSIVE COLLECTION. I WILL BE LISTING THIS COLLECTON FOR A LONG TIME. I SUGGEST TO KEEP CHECKING / WATCHING MY SITE FOR NEW LISTINGS. MANY DIFFERENT MAKES, AND SCALES WILL BE LISTED. SOMETHING FOR EVERYONE THAT COLLECTS MODEL RAILROADS. .. . ALL ITEMS ON MY SITE ARE GUARANTEE TO BE 100% VINTAGE, AND NOT REPRODUCTIONS. Please email me if you have any questions, thank you.