GC SF Sp WH BV YL BT CP SA CB CC Solution

YesterdayLand

Change Machine

We finally opened the time capsule we'd unearthed, but inside was just a note, saying "Sorry, took the tokens to play in the arcade" and descriptions of the tokens. Images of the token faces and an audio recording obtained from the tokens' edge grooves were included, but we couldn't determine the correspondence between obverses, reverses, and edges.

Also included was a cryptic note that looked like this:

MP:
T:
KJ:
Key +/-: