Need help identifying bag on marketplace

https://preview.redd.it/w28zk8lqgw5g1.jpg?width=530&format=pjpg&auto=webp&s=d9ba70f5658e3603d3ec6792eafea1a202072b65

https://preview.redd.it/ry1wu8lqgw5g1.jpg?width=960&format=pjpg&auto=webp&s=ebaf8eb7cbcabda142b5efd9b22b3aa5202ab3ac

https://preview.redd.it/olhzojlqgw5g1.jpg?width=960&format=pjpg&auto=webp&s=e7058f38a8d015caedb9a769dbe0a6f5487b46e9

An older gentleman is selling for his wife, says "Old model with the heavier leather. Great shape."

What's the name of this model? I'm new to this and don't know how to identify the vintage bags. Thanks for any help!