Confirmation:
The Vancouver Sun 4th June 1987:
"It's party time at the Town Pump this weekend, beginning with crazy punk rappers Faith No More tonight"
The Providence, 29 May 1987, page 75 - gig listing
The Providence, 3 Jun 1987, page 42 - article
The Province, 5 Jun 1987, page 55 - "tonight" at Town Pump. FNM may have played this venue Thursday AND Friday.