1927/32, '1. Sample Fair Tripoli': Cover to Baden, Switzerland bearing complete set of six postage & two air stamps, all tied "FIERA CAMPIONARIA TRIPOLI/23.2.27" c.d.s., no further postmark, with a vert. fold (not affecting adhesives), fine, as well as 'Sample Fair Tripoli' airmail cover to Basle, Switzerland bearing 75c. postage stamp, 1l. air stamp and respective vignette, all tied "FIERA CAMPIONARIA TRIPOLI/8.3.32" c.d.s., and with arrival backstamp, fine. (Image)