Gold-Franc (XFO) is a historic ISO 4217 currency code withdrawn from use, published by the SIX Group maintenance agency in List Three.
- Currency code: XFO
- Currency name: Gold-Franc
- Record: Gold-Franc; numeric code none; withdrawn 2006-10; entity: ZZ01_Gold-Franc
- List: ISO 4217 List Three (historic currency codes)
- List published: 2026-01-01