Read the oldometer. That's how many miles I've got on this body. Aged 41 Years. 41st Birthday gift tee for people born in 1979. Vintage Oldometer 41st Birthday Counting. Make a cool gift for your dad, mom, grandparent, friend who are turning 41 years old. Have a man turning 41 in your life? Does he love cars, racing and anything with an odometer? Then this is the perfect 41st birthday gift for him! This 41st birthday gift is perfect for dad, papa, grandpa, husband, boyfriends and any other man in your life!