"... the most slept on bat in the utrip space right now. This thing is so hot, and it lasts forever. Sure it's not going to pass compression on you for long, but what passes compression very long these days anyway..."
-The Slowpitch Bat Guys
they're at a Canadian retailer
they start making '18 in late '17. look at the next three digits. it should be between 001-365 which corresponds to the day of year.
the yellow f30 i saw were all 8060xxxx and 8061xxxx so they were made feb 28 or march 1 2018