Minecraft wiki entry for Golden_Apple, associated text: A comparison of the two golden apple variations.
A golden apple found in a dungeon.
An extremely rare occasion where a regular golden apple and an enchanted apple being found in the same woodland mansion chest in Education Edition.
Golden apple in a dungeon chest, prior to 1.3.1. It resembles the enchanted golden apple.
A golden apple was found in a minecart chest in an abandoned mineshaft.