William Wishart, from Edinburgh, asks when is it correct to wear a grey top hat?

To a posh sporting event, weddings, presentations at Court and other formal events. Fewer chaps wear hats of any kind these days. Wear your grey topper with pride, if you have one. PH

Bill Batt, Sutherland: “It is correct to wear a grey top hat, when instructed to by your wife or daughter.”

Eileen Gomme, Brooke, Norfolk: “It is correct to wear a grey top hat (with a bright blue and gold hatband) when dancing with the King's Morris, King's Lynn, Norfolk. Perhaps Mr Wishart would like to join in.”

David Agress, Newport Beach, California: “When one is performing one's impression of Fred Astaire.”

Robert Maxton Graham, Sandwich: “Almost all rented toppers are grey. Almost all black ones are owner- occupied. The rules are never to wear a grey one at night, when riding to hounds or when the Court is in mourning.”

Elizabeth Ambler, Exeter: “Invest in a black silk number - you will reach the height of elegance. Leave grey toppers to those who rent.”

— Readers are invited to send their responses to this week’s question by March 22. A selection will be printed in a fortnight.

Should children give up their seats to adults on public transport?

Andy Graham, Birmingham

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