Alan Mays' photos with the keyword: February 29

"It's Leap Year. Sh-ss-h! Here comes one!. Dwig." Postmarked Philadelphia, Pa., Feb. 23, 1912, and addressed to Miss Lettice Mitchel, Beaver Springs, Pa. Unsigned message: "Guess?" A Leap Year postcard by "Dwig," otherwise known as the American cartoonist named Clare Victor Dwiggins (1874-1958).

"This is Leap Year, I want to propose; give me a chance before the year goes. 1912."

"You're not safe in 1908—unless you have your (marriage) license. Leap Year. Dog wagon. Ma. Pa. 1063."

"Leap Year. Running after a good catch."

"Leap Year 1908. Be my chauffeur on the auto of life. D. P. Crane, '08." Leap Year postcards (above and below) from a 1908 series by illustrator Donn P. Crane .