Here is a collection of old mercantile sign photos, you can buy your own by clicking here.
Main Street Mercantile Provisions, all original design by Sign Treasure. The top and bottom lines can be changed. For example, main street can be swapped with your own name and provisions could be swapped for "Hardware" or something else.
The size of the sign allows it to fit almost anywhere, see below:
Here is an example of a personalized mercantile sign below:
Thank you for looking!