Exactly what the last guy said. Never ever believe a single word a seller of a classic car tells you. Most of them lie, especially dealers who have a business and it's how they put food on the table. They want that car out the door and they'll tell you just about anything to make that happen. Sorry to be so negative, but it's just reality unfortunately. Some are honest, but it's rare.
Go inspect the car yourself and bring a long checklist and a magnet to check for bondo. And don't do a quick inspection because you're shy or want to 'believe' believe the car is as good as it looks or what the seller has to say. Be thorough and don't be shy about it. Bring a towel so you can lay down on the ground. Feel around inside the trunk on the undersides and back sides of all the metal everywhere you possibly can throughout the car. Look up under the dash with a flash light, etc. Inspect the paint all over looking for bondo cracks or rust bubbles. If you feel you won't be able to give the car an accurate inspection, bring someone who can. Be patient and wait for a solid car. You'll be happier in the long run.
Best of luck to you.