200rs violet postal stationery envelope (H&G B13a) with oval 'COLONIA ALPINA THERESOPOLIS' cachet in lower left corner used with partial SANTA TEREZA (THEREZOPOLIS) cds dated 15 APR 1894. Addressed to 'L.O. Howard, acting Entomologist, United States Department of Agriculture, Division of Entomology, Washington D.C. USA' with transit & arrival marks on reverse. Colonia Alpina was an early Swiss settlement in Brazil set up by early scientists to study the Brazilian tropical flora & fauna. A very rare origination.