You can look up the 1994 page, and locate your model number. What is the model number of a Washburn guitar?įor example, if your guitar’s serial number is 94000000, your guitar was made in 1994. What was the Washburn Festival in the 80’s?.Where do you find the serial number on a Dean guitar?.Where can I find the Washburn serial number?.When did George Washburn make the first mandolin?.