Sellers comments:

From an estate.

I have no personal knowledge of make or model. Just using photos and descriptions from ones online that look like this.

Screw holes are 4.5 inches apart.

Entire Mirror can move left or right by loosening a screw on the bottom. Glass moves by pushing.

Glass is 3.75 in diameter.

Ai description:

This Ford 3119741 mirror is a great addition to your 57-60 Fairlane/Galaxie/Thunderbird. It has a sleek chrome finish with a screw-on attachment type. The mirror adjustment method is manual fold and it comes with OE/OEM Part Number FORD PART#: B7A-18402-B1-1.

This vintage part is made of solid chrome metal, glass, and is an original piece. There is no warranty or manufacturer warranty for this item. It is a single piece and was manufactured in the United States.