How did Lucy brand the convict die?

There is no widely known or documented story about a "Lucy brand" or a "convict die" that would lead to an answer to this question.

It's possible that:

* This is a fictional story or a misunderstanding: There might be a fictional story or a specific context you are referring to that I am unaware of.

* The information is unclear: You might have misremembered or incomplete information. Could you provide more context or details?

Please provide more details or context so I can assist you better.