These pics are likely from the late 1940s and show a CJ-2A being ferried across the Rio Magdalina river in Colombia.

View all the information on eBay

“(circa late 1930’s, early 1940’s)… A great series chronicling the task of getting your jeep across the Rio Magdalina, Colombia South America… jungle-primitive as one would expect! Great detail showing the car ferry and their local methods of getting across river. Photo Came from an estate where owner spent years in Colombia as a pilot. These are original photos! …as you can see, original owner had one blown up to bigger size… Big one measures about 7.5″ x 5.5″ while the smaller about 4″ x 2.75 inch. $2 DOMESTIC S/H… (or, Worldwide, International S/H $3.95).”