SINGLE COMICS DC G Green Arrow and Black Canary #21 PreviousGreen Arrow and Black Canary #20 NextGreen Arrow and Black Canary #22 Green Arrow and Black Canary #21 Green Arrow and Black Canary #21 £3.00 DC Aug 2009. 1st Print. Kreisberg, Norton, Rubenstein. Cover: José Ladrönn. NM 9.4. Rated: Teen761941262635 Add To Cart Facebook0 Twitter LinkedIn0 Reddit Tumblr Pinterest0