@parry: I have no first hand information but the following sources may be of some interest.
The long gone „Paul Weller Live Archive“ by Karl Gonzales says:
? – UNKNOWN VENUE – STUTTGART – [CANCELLED]
? – UNKNOWN VENUE – MUNICH – [CANCELLED]
? – UNKNOWN VENUE – HAMBURG
28th – KANT KINO – BERLIN
http://web.archive.org/web/20070317205742/http://members.lycos.co.uk/pwla/jam/1977.htm
„Porcelain God“, the Paul Weller documentary says:
October 1977
During October two gigs were cancelled in Stuttgart and Munich.
http://www.porcelaingod.co.uk/2%20-%20Porcelain%20God%20-%20Chronology%20(1977).pdf
And „That’s Entertainment! The Jam live 1974-1982“ by Rick Buckler and Steve Keegan (unpublished draft) doesn’t mention any gig in Germany in October 1977.
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"I spent a lot of money on booze, birds and fast cars. The rest I just squandered." - George Best --- Dienstags und donnerstags, ab 20 Uhr, samstags ab 20.30 Uhr: Radio StoneFM