Lot
4206 P
1891, 1¢ Black on Grayish White, Trial Color Proof, block of four with printer's pencil highlighting poor stamp impression, Very Fine. Scott No. UX11TC. USPCC No. S12TC Estimate $300 - 400.
Parts of sheets reached collectors that had been used by the contractor in first setting the plates in the press and adjusting the makeready. Some of the impressions were in black and some in blue. Many were poor impressions.
Realized: $210