This is a chassis of either a Ukw. E. e or a Ukw. E. h.
The scale of a Ukw. e. E. e is marked from 272 to 334, which is the frequency in MHz 27,2 MHz to 33,4 MHz.
The scale of a Ukw. E. h is marked from 241 to 280, which is the channel numbers, channel 241 = 23 MHz, channel 280 = 24,95 MHz.
The scale on your picture is neither of them, my guess is that it was modified postwar and changed to another frequency range, therefore the scale has been repainted, in which they did a very nice job, I have seen some very crude hand written examples.
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