löytöpäivä
Löytöpäivä (literal translation: "discovery day" or "find day") is a Finnish term used to denote a day dedicated to discoveries or to celebrating finds. It is not a fixed public holiday in Finland, but appears in various institutions and communities to mark discoveries in archaeology, museums, or hobby contexts.
The word is a compound of löytö (discovery, find) and päivä (day). Its use is practical rather
Among amateur metal-detecting or treasure-hunting groups, a löytöpäivä may be organized to share finds, discuss provenance