Charles, young and innocent! (4)

I believe the answer is:

lamb

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This clue might be a double definition.

'charles young' is the first definition.
'lamb' can be an answer for 'young' (lamb is a kind of young). I am not sure about the 'charles' bit.

'innocent' is the second definition.
(I know that lamb is a type of innocent)

'and' acts as a link.

Can you help me to learn more?

(Other definitions for lamb that I've seen before include "essayists?" , "Young sheep" , "author?" , "Exemplar of innocence" , "Young shee" .)

I've seen this clue in the Evening Standard.

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