What year is anzani outboard serial number 6691435?

To determine the year of an Anzani outboard motor based on the serial number 6691435, you would typically need to refer to specific manufacturer records or databases, as Anzani's serial number systems can vary. Generally, Anzani outboards produced in the mid-20th century often have serial numbers that can date them to the 1950s or 1960s. It's best to consult with a vintage outboard expert or an Anzani enthusiast group for precise dating based on this serial number.