Achievement not rewarded for Triple Team III

Time: 12:31PM

Frequency: Once

World name: Balmung

Character name: Keasby Sin

Retainer name: None

NPC name: None

Monster name: None

Class/Level: Ninja/54

Party or solo: Solo

In-game time: Unknown

Area and coordinates: Golden Saucer 4,6

Housing: None

Steps:

I completed the achievement the other day but never received the reward of the card.

Achievement rewards do not automatically appear in inventory, talk to Jonathas in Old Gridania (10.6, 6.2)
He's your go-to man for all non-title achievement rewards