Everyone comes to the Museum to see me in my glass case. I am not just a pea. I am the Pea—the Pea that was felt under twenty mattresses (and twenty eiderdowns.) Moreover, I am not just the Pea, I am the evidence of the authenticity of the princess. I am, in every way, the P that stands for princess.
Pea Under Mattresses in How to Tell a True Princess, Yellow Fairy Book. Illustration by Edmund Dulac.