They don’t make them like they used to (Killarney has changed for one).
But some are still available on Ebay, including this selection from the 1920s,1930s, 1940s and 1950s, all currently being auctioned.
Including some from the Dutch School.
The first poster, anyone?
Update: Not a travel poster at all: Grow Wheat A crop that pays well for itself Guaranteed market Guaranteed price (thanks, Seamus).
Thanks Sibling of Daedalus