This already has been posted on this forum. Follow the link and find your G harmonica. F# (F sharp) is your 3 draw and also (an octave higher) your 7 draw.
– Slim 
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This already has been posted on this forum. Follow the link and find your G harmonica. F# (F sharp) is your 3 draw and also (an octave higher) your 7 draw.
– Slim