​Thank you so much for the deep dive and insights, Jimmy J! I really appreciate your professional eyes on this piece.
​Just for context, I'm posting from Japan. I bought this at a vintage clothing store here in Japan about 20 years ago (around 2006), so your timeline about it being a late 90s/early ...

Hi everyone,
​I would love to get a price check and authenticity thoughts on this vintage late 80s/early 90s Mosquitohead Janis Joplin T-shirt.
​I purchased this T-shirt at a vintage clothing store 20 years ago and have kept it ever since.
​It features the rare original orange/brown satin woven tag ...