See here for the original announcement of these collectibles: https://twitter.com/SatoshiLite/status/1693108563630342170

GreatCollections has a page dedicated to these cards:
https://greatcollections.com/litecoin



The first 21 are slabbed in a PCGS large format holder with a label signed by me. These will go on auction 5 per week. #1 through #5 will end on October 29.
https://www.greatcollections.com/Coin/1464626/2023-625-LTC-Ballet-Litecoin-50g-Silver-Block-PCGS-Certified-Genuine-Hand-Signed-by-Creator-Charlie-Lee-1-of-21
https://www.greatcollections.com/Coin/1464627/2023-625-LTC-Ballet-Litecoin-50g-Silver-Block-PCGS-Certified-Genuine-Hand-Signed-by-Creator-Charlie-Lee-2-of-21
https://www.greatcollections.com/Coin/1464628/2023-625-LTC-Ballet-Litecoin-50g-Silver-Block-PCGS-Certified-Genuine-Hand-Signed-by-Creator-Charlie-Lee-3-of-21
https://www.greatcollections.com/Coin/1464629/2023-625-LTC-Ballet-Litecoin-50g-Silver-Block-PCGS-Certified-Genuine-Hand-Signed-by-Creator-Charlie-Lee-4-of-21
https://www.greatcollections.com/Coin/1464630/2023-625-LTC-Ballet-Litecoin-50g-Silver-Block-PCGS-Certified-Genuine-Hand-Signed-by-Creator-Charlie-Lee-5-of-21

I've also put up one of my 2020 12.5 LTC cards in the auction.
https://www.greatcollections.com/Coin/1464631/2020-125-LTC-Ballet-Litecoin-50g-Silver-Full-Block-Loaded-PCGS-Certified-Genuine-Serial-AA063298

The standard cards are sold for $840 each and will be added to GreatCollections about 50 cards at a time. You can find all the cards currently available for sale here:
https://www.greatcollections.com/search.php?q=ltc&mode=product&sort=01

All proceeds go to the Litecoin Foundation to promote the adoption, education, and development of Litecoin!