Guam, 1899, 8¢-$1 Issue high values complete plus 10¢ Special Delivery, neat affixed and tied by three strikes of "Guam, Isl. Guam, Jun 13 1905" duplexes with oval grid cancel on greenish blue Zug cover to Everett Wash., purple "Guam, Guam, Registered, Jun 13 1905" cds, purple Everett (8.3) arrival backstamp, Extremely Fine. Scott No. 7-12, E1  Estimate $2,000 - 3,000. $0 (Image)