These top connection shieldings are nothing special. Even though the peoples receiver had one on the top of the AF7.
Pilotuners are also quite cute devices. I like the way they look!
Here you can see how my module looks if it is not built into a Radio:
http://www.radiomuseum.org/r/minerva_ukw_box.html
Here an external FM receiver from another manufacturer which can be placed under an existig AM Radio:
http://www.radiomuseum.org/r/siemens...atzgeraet.html