These chalkboards are made with real slate, vintage, from the National School Slate Co.

has hooks 2.5 w (at shelf) x 26.75 x 21.5" tall  $195
no hooks 2 w (at shelf) x 26.5 x 20.5" tall  $195
small .75 w x 17.5 x 13.5" tall - call for pricing