Lot 2333
5 c. blue-gray, strip of 3, a pair and a single stamp, tied by pre-philatelic straight-line 'GURABA' in blue to registered cover to San Francisco, on front handwriting 'No. 747 GÜRABO' and remarks 'UN-CLAIMED' and '2nd NOTICE', reverse with two violet register marks and triangle 'DEAD LETTER OFFICE AUG 12-82', some imperfections but nevertheless an exceedingly rare combination of pre-philatelic mark and registered cover (Edifil-no. 65)
