I'm extremely jealous of the Sirius letter! It was very difficult to find a swatch that wasn't plain. At least it has a good home.

Thanks, I was surprised that it wasn't snapped up by the original buyer.
I have another one of thes that is Okay as well, here's a scan. I just noticed that it is number 38-50, what a coincidence

Here's the text of the letter:
Harry,
I couldn't risk sending Hedwig. Since the World Cup the Ministry
has been intercepting more and more owls, and she's too easily recognized. We need to talk,
Harry, face to face. Meet me in the Gryffindor Common Room at one o'clock, this Saturday night.
And make sure you're alone.
Sirius.
P.S... the bird bites