Decorating dilemma: is it wrong to take this with me when I move house?

enamel-house-number-52

{Decorator’s Notebook} No, I’m not moving to another number 5, but since this little flat was my first home I feel like I’d quite like a souvenir. And basically, I just think it would look rather nice on the wall in my new home. Or maybe the mantlepiece… Bad manners? //