Western Australian 1d Rouletted Black Swan. 1854 Wmk4 swan. SG2 CV$1,700.00

Tight margins. But that seems to be how it was rouletted.

You have to look closely to see the rouletted edges on 2 sides. I have used a white background to show this better.

Open to offers

In case you are wondering, the cancellation is a number 3