Registered cover franked with 3 x 1927 3p violet and 2 x 1937 1p scarlet, yellow & blue (SG 311 & 496) tied by TEBICUARY cds's with black & white formular registration label with 'AZUCARERA' handstamp in purple (possibly the originating P.O.). Addressed to ASUNCION with arrival cds's on reverse.