Hawaii, Gregory's U.S. and California Express, Thompson & Hitchcock, Agts., 149 Pearl St., N.Y. Unusually clear strike of red 3-line express handstamp on cover from Copenhagen, Denmark to Honolulu, Hawaii, manuscript "Care of E. A. Iüverkrop Esq., San Francisco" endorsement and red "K./T & H." oval handstamp, Very Fine, a unique early express forwarding usage to Honolulu, Hawaii from Denmark. Estimate  $4,000 - 6,000. $0 (Image)