The Astor PLK was manufactured by Pye (N.Z.) Ltd in about 1962.
5-valve 4-band (including the HF Marine 'Trawler Band') mantle radio.
Valves (5): ECH81, EBF89, EBC81, EL84, EZ80
Frequency Bands: 4
Chassis Notes(most schematics can be clicked to download a full size version)
As was (annoyingly) typical for Akrad, the IF frequency is missing from the schematic.