2147 1920 Compania Colombiana de Navegacion Aerea multicoloured publicity label w/o opt, showing plane above lighthouse on the coast, LL marginal with inscription "Make the Airway Your way - in a Curtiss" in black at left & "Curtiss" in blue at bottom. VF UN. Sc C6 cat $3000, Yv A5 cat €4000, SG 5 cat £4000. All for with opt (P) $200 $400
2148 1920 Compania Colombiana de Navegacion Aerea multicoloured publicity label w/o opt, showing plane over ocean liner, "Curtiss" in blue at bottom. Fresh UN, small tear at top. SC C10 cat $4600, Yv 9 cat €5500, SG 9 cat £6000, all for with opt. 2010 Scheller photo-cert (P) $200 $400
