There were quite a few postal stamps featuring Laika. I had these two in my stamps collection when I was a kid: [1], from Mongolia, and [2], from Romania. [1]

There were quite a few postal stamps featuring Laika. I had these two in my stamps collection when I was a kid: [1], from Mongolia, and [2], from Romania. [1] https://c7.alamy.com/comp/D0GC31/postage-stamp-from-mongolia-depicting-laika-the-first-dog-in-space-D0GC31.jpg https://c7.alamy.com/comp/D0GC31/postage-stamp-from-mongolia... [2] https://i.ebayimg.com/images/g/~KgAAOSwySVaHdDz/s-l1600.jpg https://i.ebayimg.com/images/g/~KgAAOSwySVaHdDz/s-l1600.jpg