Very warm 70s vintage knitted wool jacket cardigan locomotive train

An awesome 100% wool knitted jacket with zip.
On0back a multicolored vintage locomotive.
It is a vintage garment dating back to the 70s.
It is very warm and heavy.
It can be worn instead of a down jacket or coat.
At the time it was a men's item, now it's unisex.
The zip has been replaced as well as the internal lining.
Measurements: shoulders cm 54, sleeves cm 68, length cm 78, chest cm 64.
I would say size XL.
In excellent condition, sterilized.