Lot
373 
Panama, Colombia 1892, Registration, 10c yellow brown on light buff, vertical pair with manuscript "1821" numbers, prepaying the 20c registry fee used with 10c orange (18) pair, all tied by purple "Colon, 6 May 1902" cds on legal size cover from the Mallet correspondence to England, New York (5.13) backstamp and registry exchange label affixed, red London (5.22) arrival backstamp; wax seal stain at center, Fine. Scott No. Colombia F12 (2) + Panama 18 (2) Estimate $300 - 400.
This is the earliest recorded cover showing the new 20c registry fee, which is believed to have been effective sometime in mid-April.
Realized: $220