As I understand it it's only for the winners of the specific 4 past auctions, that's why there are only 4 pieces:

Note:

This is the sale for the free editions for the past 4 auction winners. You should have received an email regarding how to proceed to claim your win. Only shipping costs will have to be paid for. If you have not received an email and you were a past auction winner please check your spam folder or email us at - plebsupport@scarce.city to confirm.

Past Auctions:

Hero of Bitcoin Gameboy #3, #5 Auctions

Auction: Hero of Bitcoin Game Boy - Limited Genesis Edition Collector's Package #21 + #1

https://scarce.city/sales/hero-of-bitcoin-the-game-final-boxed-game-release-free-version

As the item description says:
"The true crème de la crème, right here. First Edition. Taken out for the photo then back in the pack. Mint condition.
2022 Cardsmiths Currency Series 1 BITCOIN #1A Holo Foil SP Rare Printing Error.

Who likes to buy error card  
https://www.ebay.com/itm/145083595223?mkcid=16&mkevt=1&mkrid=711-127632-2357-0&ssspo=lwc02dpsrj-&sssrc=2349624&ssuid=&widget_ver=artemis&media=COPY

(Whoever has the gold litecoin with no number, or the beryl /159 Should now be a millionaire at these rates)

Winner LOT 3

LOT 1 still active