They have the extra stitching and black heel tags. They have never been worn.
They were made in USA. They are 12.7 from toe to heel. The rubber is still flexible. These are very collectible and will only increase in value in years to come.
I have been collecting Chuck Taylors for many years and have about 400 pairs in my collection shown in the pictures. The item "VINTAGE CONVERSE BLACK HIGH TOPS MADE IN USA SIZE 12 BLACK TAGS 1970" is in sale since Saturday, October 14, 2017. This item is in the category "Clothing, Shoes & Accessories\Vintage\Men's Vintage Shoes".
The seller is "mrecob" and is located in Sunnyvale, California. This item can be shipped worldwide.