Envelope, 1887, 90¢ purple on amber. Legal size registered entire used from New York to Germany cancelled by "New York" Registry oval handstamp, used in 1890 with New York registry label affixed, backstamped with German Transit postmark, entire with couple small edge tears, Very Fine and choice, a very rare used 90¢ entire, ex-Barkhausen. Scott No. U343  Estimate $1,000 - 1,500. $0 (Image)

Envelope, 1887, 90¢ purple on amber. Legal size registered entire used from New York to Belgium cancelled by "New York" oval handstamp, no backstamps, entire with minor soiling & slightly rounded corners at left, Fine, a very rare used 90¢ entire. Scott No. U343  Estimate $500 - 750. $0 (Image)