4 fine used singles of the 10c - 40c dark brown - vermillion from the 1861 King Leopold I Issue, no wmk, 17.5mm high.
The 10c has margins on all sides, all close one 20c has no margins, and is not counted, and the other has a corner crease & is not counted. The 40c has 3 margins, 2 full & 1 close.
Scott values this at $161, so we estimate it at $80. The stamps offered here grade between 66 and 72 as follows:
