The first plane is from Hammerer & Kuehlwein, Western Germany in the late 1950s. The second plane, the Alps brand Cessna 310, dates from about the same time period, maybe earlier. Both of these toys are made from lithographed tinplate, not die cast metal. Tinplate toys are made by bending sheet metal with printed finish into shape using a metal press machine. Die cast airplanes are solid, and are made by injecting molten metal (zinc alloy called "zamak" or "mazak") into a mold, letting it cool, and painting the toy.
"fliegerii" has found the jet plane in a 1959 catalogue:
viewtopic.php?f=9&t=232&p=500&hilit=hammer#p500Here is a photo of a different Alps brand Cessna 310 I have in my collection:
I would say that the example you have is a less common variant than the one I have.