Lot
4176 
1886, 1¢ Black on Salmon Pink, mint card, minor wrinkle, Very Fine, rare and attractive variety. USPCC No. unlisted. Scott No. UX9d $2,000.
The USPCC does not recognize these as error cards even though the printing of the design is genuine. It seems the salmon pink stock was used as a counting marker for counting finished piles of 500 printed sheets. Footnoted in 2010 USPCC on page 9.
Realized: $600