101Leafy researched the games.
Gold Recorder

A golden Hunting Horn. Dedicated to an ancient deity, it is a treasure.
| Class | Hunting Horn |
|---|---|
| Rarity | 8 |
| Attack | 988 |
| Dragon | 380 |
| Slots | 1 |
| Price | 75,000z |
Upgrades
| Upgraded from | Sakura Recorder+ |
|---|---|
| Upgrades into | Gold Recorder+ |
Upgrade tree from モンスターハンターポータブル 2nd G 公式ガイドブック (Enterbrain, 2008), page 734.