Gift of Adoration: Undercity

A Gift of Adoration: Undercity is a container item obtained from non-guard NPCs in Undercity during the Love is in the Air event.

Source
You get Gifts of Adoration: Undercity from non-guard Forsaken NPCs in any participating Horde city (Orgrimmar, Thunder Bluff, and Undercity, but primarily in Undercity) in exchange for a.

Contains
A Gift of Adoration: Undercity contains both a pledge gift and an adoration gift.

Pledge gift
Opening a Gift of Adoration: Undercity by right clicking it creates a pledge gift. You must have an open slot in your inventory or a stack of less than 20 Romantic Poems in order to create a Romantic Poem.