I passed on a $50 Puch Bergmeister in a thrift shop a couple of years back. It had a gaspipe frame with chrome fork and rear stays, but a steel crank and a Simplex Prestige RD. It also used wing nuts.
I have to say it was beautiful, just heavy.
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1971 Paramount P-13 Chrome
1973 Paramount P-15 Opaque Blue
1974 Raleigh Professional Blue Mink
1991 Waterford Paramount
Holland Titanium Dura Ace Group
Holland Titanium Ultegra Triple Group