By Joe Crutchley & Susan Knox An Antiques Roadshow guest was left gobsmacked after an “ugly” gift from his mum turned out to be worth a fortune. The BBC show, known for its surprising valuations, saw a bizarre yellow three-legged toad valued at a hefty sum. In the episode filmed at Brodie Castle in Morayshire, Scotland, the guest brought in the ornament for expert Lee Young to examine. The toad, a birthday present from his mother, had been dubbed the ‘ugly toad’ by the owner for about 60 years. The man said: “He has been known as ‘ugly toad’ to me for about 60 years. My mother collected unusua…