Mens Vintage Gray Double Breasted Suit Jacket - Doncaster Exclusive Greengards Clothing & Shoe Store Mandan No Dak
I think this might be 40s/50s? No union tag but Doncaster tag appears fairly early. May be 70s if not..
No material content tag - dry clean. Partialy lined jacket.
Jacket is size 41: 31" in length, 21" across chest. 19" shoulders, 24" sleeve from shoulder.
Flaws: lining has writing in back neck. I have not dry cleaned, there is no visible issue but could be freshened if desired.

This item is sold from an excellent, highly rated vintage boutique.