In the game files for the rooms, somethings are coded as random pickup rather than specifically a coin and a random pickup might be an item, the first time that happened to me was while playing spoiler with ipecac(i got my reflection on curse of the blind)
Isaac Dice Room: Is This The Biggest Gaming Secret Ever?
In the game files for the rooms, somethings are coded as random pickup rather than specifically a coin and a random pickup might be an...