PSA/DNA is the leading grading and authentication service for professional model game bats, providing a much needed service in the hobby. PSA/DNA uses the same state of the art technology for autographs to protect your genuine valuable bat from any foul play. Once an item is deemed genuine, the bat is marked with invisible DNA-laced ink — naked to the eye but verifiable through a specially calibrated infrared laser. In addition, a Letter of Authenticity (LOA) containing a photo of your item and specific details on the analysis will accompany your genuine bat. With our unique alphanumeric number, any interested party can verify authenticity online even as items change hands time after time.

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