I tried smoking the same tobacco (Prince Albert) in the same pipe with wood matches. (yes, I finally got wood matches) I have since come to believe the taste is from the tobacco.

I'm gonna clean my pipes as well on the safe side, but I'm 100% sure is it PA, as the same taste was there, but not as potent. (or it could be the lingering taste still there for the few bowls as mentioned)
Thanks for the helpful replies.
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Peterson's Irish Flake, the tobacco of the God's. You know you want it. Don't resist, go buy some now.