Lot
4148 P
1881, 1¢ Trial Color Proofs, exceptional collection of 37 different in a range of different card and printing colors without apparent duplication, mostly identified on back as to color and card; few faults, Very Fine and rare collection. Scott No. UX7TC. USPCC No. S6TC $9,250.
Only a handful of each color were produced. This collection would be exceedingly difficult to duplicate.
Realized: $3,750
Lot
4149 
1881, 1¢ Black on Buff, Printed on Both Sides, unused with preprinted commercial message; some extra ink on face, F.-V.F. Scott No. UX7b; $1,200 as mint Estimate $300 - 400.
Realized: $425