Lenticular pencil sharpener! This is a deadstock vintage item found at an old papelería (paper shop) in Mexico City!

/ᐠ . ｡.ᐟ\⊃━━☆ﾟ*･ˎˊ˗
SHARPENER SIZE:
📏 2.5 x 2.5 cm. / 1 x 1 in.