Vintage VW Blaupunkt Radio brackets

A set of two (2x) vintage Blaupunkt Radio installation brackets in good condition. Two original brackets to mount e.g. Blaupunkt Frankfurt secure into the dashboard in Volkswagen and Porsche. The size is about 5,5 x 4,5 cm and it was made in Germany. The last picture shows the instruction (not included) and where to put the brackets (see item #1).