Major League Baseball Auctions Customer Service representatives are available to assist you Monday through Friday, 9 AM - 6 PM EST. All weekend or holiday Customer Service requests will be administered on the next business day.
Your opinion matters and we'd love to hear it! To submit your comments and suggestions, please complete and submit our Customer Service form below. Your suggestions are appreciated and are used to improve our site.
If your question is in regard the MLB authentication program or the hologram that appears on your item please e-mail firstname.lastname@example.org or visit the MLB Authentication Home Page.
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