San Juan, P.R., registry label with "10925" number on 1906 registered cover from Puerto Rico to France bearing 3¢ purple (303) and 15¢ olive green (309) tied by framed "R" cancels, purple "Registered, Apr 7 1906, Humacao, Porto Rica" three-line postmark, San Juan (4.8) and New York (4.16) backstamps with New York registry label FX-NY1a(ii) affixed, Paris (4.24) transit backstamps; minor stamp flaws, Very Fine, Census No. SJ-2. Scott No. FX-SJ1; $2,500  Estimate $1,000 - 1,500. ONE OF ONLY 8 RECORDED SAN JUAN, PUERTO RICO REGISTRY LABEL USAGES. $0 (Image)

San Juan, P.R., registry label with "142" number on 1907 5¢ blue entire (U377) from Puerto Rico to Germany bearing 5¢ blue (304) and 13¢ purple black (308) tied by oval cancels, purple "San Juan, P.r. Registered. Jan 14 1907" cds, New York (1.21) backstamps with New York registry label FX-NY1a(i)(i) affixed, Hannover (1.29) transit backstamp; minor stamp flaws, Very Fine, Census No. SJ-8, ex-Mueller. Scott No. FX-SJ1; $2,500  Estimate $1,000 - 1,500. ONE OF ONLY 8 RECORDED SAN JUAN, PUERTO RICO REGISTRY LABEL USAGES. $0 (Image)