Cover with manuscript 'Via Nyrba' in red at top franked with 1920 10rs purple, pair 20rs olive grey, 50rs claret and 2 x 100rs turquoise green 'Industry' issue and 1927 1000rs on 20rs black & olive and 2000rs on 200rs black & blue 'SERVICIO AEREO' overprint issue (SG 302/303, 381/382, 448 & 450) all tied by ITAJAHY S. CATHARINA cds's dated 25 ABR 1930. Addressed to USA with FLORIANOPOLIS CORREO AEREO transit cds on reverse. Nice commercial use of the Nyrba service.