Registered, Feb 2, 1899, Military Station No. 4, Washington D.C., San Juan, Porto Rico, four-line purple postmark on cover bearing 1¢ green, 2¢ carmine, 5¢ blue (267, 279 pair, 280 pair) along with 1¢ Trans-Miss (285), all tied by grid cancels or boxed "R" cancels on 2¢ entire to Hoosick Falls N.Y., reverse with New York (2.20) and Hoosick Falls (2.21) backstamps, Very Fine and colorful registry use. Estimate  $300 - 400. $0 (Image)