514, 15¢ GRAY, EARLIEST DOCUMENTED USE (EDU) ON REGISTERED COVER TO RUSSIA, Avg, tied to cornercard advert cover w/NEW YORK dbl oval ccl. Cornercard from Henry H. Schnitzer plus "OPENED BY/CENSOR." label at L. Back w/(2) purple dc ccls over flap dated "NOV/14/1917", (2) oval dc ccls over flap dated "11-15/1917", a dc ccl over censor label dated "10-11/1918" (obviously an error date), a Moscow dc bridge ccl dated "17.3.18", a Russian dc ccl dated "25 3 18" and another dated "27 5 18". cover opened on three sides w/lgt file fold in center, o/w nice & apparently was forwarded w/various ms notes on front. 2000 APEX cert Cat($2000) (Image)

$2000