Looks like a license plate for a business that has "Captol" or similar in its name.
The vanity plate CAPTOL7 was spotted in America. This plate is part of the PL8FROG collection under the business category.
CAPTOL7
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License plate fun fact
Modern toll roads use license plate cameras to bill drivers via mail when transponders fail.
Related vanity plates
Other plates from the PL8FROG collection that share categories with CAPTOL7.
