The "Pin-Up Girl" as Nose-Art. Nose-Art is considered folk art and, sometimes, is compared to sophisticated graffiti, both having anonymous artists. It began as a simple way of identifying friendly planes. It then evolved to express individuality. Nose-Art is considered folk art and, sometimes, is compared to sophisticated graffiti, both having anonymous artists. It began as a simple way of identifying friendly planes. It then evolved to express individuality.