Trade Tools. Seen On the Street By Street Art SF Team on January 10, 2016 Location: Lilac Alley @ 24th St in San Francisco, Ca Artist: IllSkill. Jerz STP. QWYZ 326 Tags: 326 Crew, Dirty Jerz, Graffiti Writers, IllSkill, QWZY, San Francisco, SF - Meeting of Styles 2015, SF - Mission - Lilac Alley, SF - Mission District, STP Crew