From Pathfinder Treasure Vault (Remastered), which isn't enabled.

Warden's Signet

ITEM 11

Price 1250 gp

Usage worn

Bulk —

This symbol shows your dedication to the magic practiced by some rangers. Most rangers wear it on an amulet, ring, or piercing. You gain a +2 item bonus to Nature checks.

Activate (concentrate)

Frequency once per day

Effect You gain 1 Focus Point, which you can use only to cast a ranger warden spell. When you use this Focus Point, the warden's signet also casts a 4th-rank Oaken Resilience spell on you. If not used by the end of your turn, this Focus Point is lost.

Craft Requirements You are a ranger with at least one warden spell.

Pathfinder Treasure Vault (Remastered)ORC