Stellazio

Throughout the game, you will find Stellazio hidden in various places. Stellazio are coins that have Zodiac Symbols on them. The following are the locations of the Stellazio in the game.

Stellazio Coins in Final Fantasy IX
Stellazio CoinLocation
AriesDali Windmill, Ground Level
TaurusBehind item shop in Treno
GeminiThere is a fountain at the Treno entrance. Throw 13 coins into it.
CancerBurmecia, past the first gate, behind a wooden crate on the left.
LeoAlexandria Castle, upper right corner of the room with the statue leading to the harbour.
VirgoBlack Mage Village, Inn
LibraMadain Sari, behind the fountain
ScorpioQuan's Dwelling, lower level, across from the spring near the treasure chest.
SagittariusLindblum Buisness District, left of screen where Gyshal Pickles are sold.
CapricornDaguerro, Main Entrance, to the right in the water.
AquariusIpesn's Castle Treasure box in hall.
PiscesAboard the Invincible. Down from the bridge in a treasure box to the left.

Present all twelve Stellazio to Queen Stella in Treno. After each one she will give you a reward. The rewards are presented in the following order: 1000 Gil, Pheonix Pinion, 2000 Gil, Blood Sword, 5000 Gil, Elixer, 10000 Gil, Black Belt, 20000 Gil, Rosetta's Ring, 30000 Gil, Robe of Lords.

When you present all twelve Stellazios, Stella feels that something is missing. She returns all twelve and asks you to find the thirteenth using the clues on the coins. The thirteenth Stellazio, Ophiuchus, is found in Quan's Dwelling where Scorpio was located. Return them all to her and recieve the Hammer.