Below is a combined usage with several stamps. I include a detail of the stamp on the front as well as the three stamps on the back, one of which is a beautiful triangular mushroom stamp. Quick links point to pages for each of the aerogrammes, and the images are also thumbnails to these pages: lone usage, with stamps 1 / 2 / 3 / 4 / 5 / 6 / 7 / 8 / 9 / 10