I'm pushing my way through this, taking the good with the bad and trying to both anticipate and resolve problems as they arise.
I've reworked the mouth endless times and in the end the paper, even at 300lb, was protesting so I resorted to watercolour pencils to get some shape and colour down and a wash to blend them. The mouth still isn't complete, but I'm moving in the right direction now.
The hair still needs a lot of work and although I blocked in a dark background, it may be too stark against the lighter hair. This image really shows all those earned grey hairs! I have added some pastel to the hair as a first step, over the watercolour and see where it goes. The two media seem to work well, as does coloured pencil with watercolour.
Its heading down the home stretch now. Keep your fingers crossed and thanks for keeping me company on the journey.