Lot #117 Roos 3rd Wmk: 3d olive Die I with the Watermark Inverted BW #13a lower-left corner block of 4, well centred, the gum a little aged, unmounted, Cat $2100+.

Description:

3d olive Die I with the Watermark Inverted BW #13a lower-left corner block of 4, well centred, the gum a little aged, top units with small part hinge remain, lower units unmounted but one with light crease, Cat $1600+.