It's good to stay on top of your DMs and your BMs. Your inbox and your outbox, as it were.
Painted on 11"x14" watercolour paper. Since these paintings are loose and scrappy, they may have a smudge or two, but that's all part of their charm. This one in particular has a bit of a smudge at the bottom left on the lettering.
Signed on the back. Add a note if you want it signed on the front as well.
You don't need to frame it, but here are some tips if you want to.
11"x14" is a very common frame size. You can find it online, and most home decor shops will have it. However, alas, IKEA does not carry 11x14.
You can also take it to your local frame shop and get it custom framed.