Nice to see so much enthusiasm for this long-time American company, in addition to interest in hand crafted art, at a time when AI is threatening to wipe them all out.
If you missed your chance, McIntosh is releasing additional copies of this print on 12/14. Looks like they're pretty strict on 1 copy per customer. Sorry OP.
The Grateful Dead are not really my jam, but it looks like a quality print process for the dedicated fan.