Details: Building "Name Tags"

In celebration of National Architecture Week, I'm sharing a series of posts about architectural details in historic and charming downtown Grass Valley, CA.
Walking downtown one afternoon, I discovered these plaques on the bottom corner of a few storefronts, almost like name tags for the buildings.

This bright plaque says "Taylor Bros. Machine Works G.V. Cal."

Another Taylor Bros. plaque, this one has been painted over many times and even had the sidewalk concrete poured over it since the bottom half of its "Grass Valley" is submerged!

This plaque says "McCormick Bros." and then I think "S.F. Cal."