One of the children in my dd's school has taken a page out of a brochure and put it on the wrong of a clear plastic pencil case and has been showing everyone.
(She comes from a wealthy family so it's more than likely not a lie.)
Obviously I'm not saying this girl should say nothing. But I feel like it would almost be the equivalent of me buying a Porsche, taking photos of it and showing everyone at work.
I think everyone is entitled to nice things, but I don't think you should rub said things in everyone's face. Other way around I wouldn't want my dd cutting out our holiday from a brochure and taking it into school to show off.