Commercial cover franked with 1920 300rs olive grey 'Industry' issue plus pair 1927 1000rs carmine CONDOR issue (SG 332 and Sanabria #C3) tied by SYNDICATO CONDOR PORTO ALEGRE cds's in purple dated 22 MAY 1928 and national PORTO ALEGRE cds. Addressed to SAO PAULO with arrival cds on reverse.