Players get the following prizes for victories in finals of competitions: diplomas and statuette, and of exhibitions: award rosettes and cups. Every award gives increasing of the obtained beauty by 6%. For example, having 2 award rosettes a player gets default+25 to the beauty, when he/she changes a certain amount of stamps plus ,12%, that is +28.
You can see your last 4 awards in your profile. Complete list of your awards can be seen by clicking on any of your awards in your profile.