Is it rare? Tips for identifying rare 78rpm records. (...and a genuinely rare Champion record)

Recently in the comments, a viewer asked me how I knew that some of my discs were genuinely rare. That is a GREAT question, so I decided to pass along a few things to check when determining whether or not a recording is rare. Columbia 13/14,000 series discography giveaway link: https://forms.gle/5gQc8MTJqfeGB51w8 The rules are simple, you just need to click the link, put in your name (real or fake), enter your email (so I can contact the winner) and check the very basic rules. You do NOT need to sign up for ANYTHING. I will DELETE ALL INFORMATION (names, emails, etc...) after a winner is chosen. I will NOT email you (unless you win) or provide your email to anyone else. The 78rpm channel will even cover media mail shipping! It's just a small "thank you" from the channel. LEGAL-ish stuff: US/DC, 18+. No purchase necessary. Ends 10/12/26 11:59 PM ET. Random winner. Not sponsored, endorsed, or administered by YouTube. Winner will be notified by email and must respond in 48 hours. Here is a link to the full recording of the Champion disc from the video. It's currently available on The 78RPM Station:    • My Bones Is Gonna Rise Again - Cornwall & ...   Columbia 15,000 series discography, complete with sales figures by researcher Cary Ginell: https://www.lulu.com/shop/cary-ginell...