Hey everyone! Does anyone have clue what this shirt is about? The tag appears to be from the 70's.

I have a questionable item. I have scoured this site and the internet and cannot confirm the date of a shirt. The questionable item is a Black Flag T-Shirt. I can feel the screen print and it is dated 1985 SST RECORDS below the first Black Flag bar. However, the tag leads me to believe it was not ...