There are numerous companies on the Internet that will do carbon dating (and/or various other related dating methods) upon request and payment of a fee, including:
For simple radiocarbon dating of common household objects, costs start above $200 per sample, and vary based on turnaround time, material, dating methods, etc.
Sample sizes can be as little as one milligram of material, though you should check with the testing service for guidelines based on your specific test subject.
Where can I have carbon dating done, and how much does it cost?
deano.com 
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