A quick update on this.  I finally got to meet up with 
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		 Teacher7792
 (Linda) yesterday to review what she had left from her husband's collection.  As some may know she has sold many items on here, and has I think recently advertised a white Circus Stainz which is the only complete piece of rolling stock left.  What is left is rather an odd mix, much of it not G scale.
There is a collection of motor blocks, some with running gear some without, and a few small steam loco bodies.  The motor blocks are mostly LGB Stainz or Otto, but there is a Playmobil lurking in there as well.  We couldn't test them but some of them look virtually new.  Picture below. 
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Then there is a collection of unmade 009 scale metal kits, see picture below.
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Finally there is this Lionel/Hallmark Cards loco, 773 Hudson.  It is unused in original packaging.  I can't work out what scale it is, it seems too big for HO but too small for O.  I don't know if it is just a shelf queen (it comes with elaborate perspex show case and moulded track) or it is meant to run. Picture below.  It comes with a certificate of authenticity and claims to be one of no more that 29,500! It might appeal to someone.
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There is a large collection of parts including many Slater's metal wheel sets, which seem to include 32mm and 45mm, and a Helmsman controller but again we couldn't determine if that was in working order or not.  I think this lot is off to Garden Rail Specialists in Princes Risborough.
Contact 
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 if you have an interest.  I think any reasonable offer will be accepted!