ミスリルダガー [mythril dagger] in Japanese.
Final Fantasy IX
Stats: ATK 18
Equip: Zidane
Abilities: Bandit
Buy: 950 gil (sell: 475 gil)
Shop: Lindblum (Dragoos' shop (disc 1-2)), Treno (equipment shop, knight equipment shop (disc 3)), Black Mage Village (equipment shop (disc 3)), Madain Sari (Morrison's shop), Alexandria (weapon shop (disc 3)), Esto Gaza (equipment shop (before Desert Palace)), Daguerreo (equipment shop (disc 3)), Bran Bal (Moorock's mogshop)
Steal: Sealion
Treasure: Treno outside Tot's dwelling
Use: Exploda, Rune Tooth x2, Angel Bless
Description: Thief's dagger made of mythril
Type: Dagger

Record Keeper

Mythril Dagger (IX)
Stats: ATK +11, ACC 86 (lv1), ? (lv5), ? (lv10), ATK +33, ACC 86 (lv15)
Max Level: lv5 (initial), lv10 (first evolving), lv15 (second evolving)
Type: Dagger, Rarity: ★★
Category: Equipment