[Pashto] Translation of a symbol/character

[Viggen]

I would be grateful for any help with the meaning of the symbol/character that can be seen on this image to the right of the Afghanistan national emblem:

http://visualrian.com/images/item/749141

Thanks!

[Rémy LeBeau]

It looks like the number 7 (۷) underlined to me.

[Viggen]

It looks like the number 7 (۷) underlined to me.

Thanks!

I thought it was number 7, but the line under it has an extra "thing" sticking out from the top of it on the ríght side. It would seem odd to draw a line under the number in this way and I would expect it to have a meaning.

[Meera]

have no idea why its underlined but it is 7