For your information, eBay is now blocking the ability to purchase and
print USPS Media Mail shipping labels for player piano roll sales.

I have talked with the first line seller help and they are sending my
concern up the chain. As far as I know, the only workaround at the
moment is to pay the Media Mail postage at the Post Office since they
(and us) are fully cognizant of the fact that player piano rolls
qualify for Media Mail shipping rate.

The United States Postal Service Domestic Mail Manual (DMM), in Media
Mail section 173, paragraph 4, 4.1 subsection "e", lists piano rolls
as "sound recordings" and approved for shipping via Media Mail.

I'll let you know when I get a response from eBay.

Claud Cavnar

[   ebay purchase a shipping label page
[ https://www.mmdigest.com/Attachments/21/07/12/210712_143802_ebay%20media%20shipping%20label.JPG
 
[   ebay purchase a shipping label page, "find out more" link
[ https://www.mmdigest.com/Attachments/21/07/12/210712_143802_ebay-usps%20media%20mail%20message.JPG
 
[   USPS DMM paragraph "e"
[ https://www.mmdigest.com/Attachments/21/07/12/210712_143802_USPS%20Media%20Mail%20qualifications_definitions.JPG