What is Athena the goddess of wisdom's symbol?

Symbols of the Goddess Athena

Her most important symbols are the owl and the olive branch.

General:

Golden shield and helmet, spear, spindle, bowl, the Parthenon, the seven auras, and the Number 7

Animals:

Owl (wisdom), dove (victory), ram, eagle, serpent, tiger,

Plants:

Geranium, tiger lily, oak, cypress, olive tree, Hellebore (Christmas and Lenten roses), and citrus trees

Perfumes/Scents:

Patchouli, dragonÍs blood, musk, indigo, orange blossom, cinnamon, and cedarwood

Gems and Metals:

Onyx, ruby, star sapphire, turquoise, gold, lapis lazuli, and ivory

Colors:

Gold, orange, yellow, emerald green, royal blue, but it is mostly suggested to be silver.