San Francisco (Model Post Office Sta.) Cal., Registered, Nov 1 1915, two strikes of purple backstamps on Oregon Commission legal size cover to Corvallis Ore., bearing two 2¢ Wash. singles and 10¢ orange (400A), vibrant color, nat. s.e. at right, all tied by two clear strikes of "San Francisco, Cal / Model Post Office" double-oval (SF15-05) cancel, reverse with all-over ad with map of the west coast and all routes leading to the PPIE, Corvallis (3.3) arrival cds; light vertical fold at left, Very Fine. Bomar Nos. SF15-06  Estimate $200 - 300. $0 (Image)

San Francisco (Model Post Office Sta.) Cal., Registered, Mar 4 1916, two strikes on reverse of Pan-Pacific Expo corner card cover with magenta "Commandant, Exposition Guard" straightline handstamp to local city address, bearing 1¢ & 5¢ Pan-Pacific (401, 403) plus 8¢ Franklin (414) with PPIE perfin, all tied by three strikes of "San Francisco, Cal., Model Post Office" double-ovals (SF15-05); purple "Unclaimed" and "Returned to writer" handstamps; 1¢ faulty, small spindle hole and reduced slightly at right, F.-V.F. Bomar Nos. SF15-06  Estimate $200 - 300. This is one of a number of covers mailed the same day to men who had worked as guards at the fair. The mailing included a medal for service. $0 (Image)

San Francisco (Model Post Office Sta.) Cal., Registered, Mar 4 1916, two strikes on reverse of Pan-Pacific Expo corner card cover with magenta "Commandant, Exposition Guard" straightline handstamp to local city address, bearing 1¢ & 5¢ Pan-Pacific (401, 403) plus 8¢ Franklin (414) with "PPIE Co" perfin, nat. s.e., all tied by two strikes of "San Francisco, Cal., Model Post Office" double-ovals (SF15-05); clear strikes of purple "Unclaimed" and "Returned to writer" handstamps; some edge wear and reduced slightly at right, F.-V.F. Bomar Nos. SF15-06  Estimate $200 - 300. This is one of a number of covers mailed the same day to men who had worked as guards at the fair. The mailing included a medal for service. $0 (Image)

San Francisco (Model Post Office Sta.) Cal., Registered, Mar 4 1916, two strikes on reverse of Pan-Pacific Expo corner card cover with magenta "Commandant, Exposition Guard" straightline handstamp to local city address, bearing 1¢ & 5¢ Pan-Pacific (401, 403) plus 8¢ Franklin (414) with "PPIE Co" perfin, all tied by two strikes of "San Francisco, Cal., Model Post Office" double-ovals (SF15-05); clear strikes of purple "Unclaimed" and "Returned to writer" handstamps; some edge wear and reduced slightly at right, F.-V.F. Bomar Nos. SF15-06  Estimate $200 - 300. This is one of a number of covers mailed the same day to men who had worked as guards at the fair. The mailing included a medal for service. $0 (Image)