Doorknob into the kitchen??
the flex to the table lamp?
Is there a button missing off Norman's waist coat?
stair carpet?
the medallion on his watch chain??
:-[ sorry Terry , its probably my " settings " but the picture I'm getting looks as if you breathed on the lens.So its not that easy to spot. ??? :-[
Coat hanging on door behind Clegg's head
Ornament by the table lamp? Possibly a brass bell??