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PAN M51 from 1964
Cover Artist Hans Helwg |
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From
Hans Helweg's ledger for 1968 |
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PAN
0330 200518 from 1971 Cover Artist Hans Helwg |
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PAN
0330 200518 from 1973 Cover Artist Hans Helwg |
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Re-done artwork
photographed in Hans Helweg's studio |
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PAN
0330 200518 from 1981 Cover Artist Hans Helwg |
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