Hawaii, E. Strehz, Koloa Kauai, H.I., May 20, 1892. Complete bold blue oval handstamp on reverse of 1884, 5¢ blue entire to Hamburg, Germany, canceled by blue "Koloa, Kaui, May 20" cds and 1892 Honolulu duplex postmark alongside, San Francisco transit and receiving backstamps, Extremely Fine and choice; ex-Champion. Scott No. U4  Estimate $200 - 300. $0 (Image)