From Pathfinder #157: Devil at the Dreaming Palace, which isn't enabled.

Exquisite Sword Cane

ITEM 4

AGILE CONCEALABLE FINESSE PARRY TWIN

Price 90 gp

Usage held in 1 hand

Bulk 1

Category martial

Group sword

Damage 1d6 piercing

An exquisite sword cane is a sword sheathed inside a hollow cane, which itself can be used as a clubbing weapon with or without the sword sheathed inside.

Pathfinder #157: Devil at the Dreaming PalaceOGL