Kodachrome by Volkmar Wentzel.
From “Rural Sweden Through American Eyes,” National Geographic, June, 1940.
To Mail a Letter — Meet the Bus!
The driver will stop on signal anywhere along the country roads to permit posting of mail. He also operates a rural express service, delivering parcels ordered from town by telephone. If packages are numerous, he leaves town five minutes ahead of schedule, so he may end his run on time.