Rare Vintage Ertl 1/28 Scale John Deere 6600 Combine Chain Drive Metal

Rare Vintage Ertl John Deere 6600 Combine. It is about 13" long so it may be 1/28 Scale. It still works, the auger and pickup reel are driven by a chain connected to the front wheels. The actual gears are metal. A little bit of paint is missing on the bottom and it is missimg the side chute.  The roof has on of the latches on the inside top.broke but it still holds the roof tight. Please see the actual pictures of this rare combine.  Please email for shipping outside of the US Mainland.