Lot
4288 
1916, 1¢ Green on Gray, Die 1, Mint card without preprinted address, exceedingly fresh with crisp corners, Extremely Fine and choice. Scott No. UX27C $3,250.
A CHOICE EXAMPLE OF THE RARE MINT DIE 1 ON GRAY ROUGH-SURFACED CARD.
In 1916, during a war-time paper shortage, this substandard grade of card stock was used temporarily, for a period of about two months. It was sold only in sheets to printers for application of printed addresses, accounting for their great rarity without printed addresses.
Realized: $2,000