Llythyr drafft oddi wrth y Gwir Anrhydeddus Mark Drakeford AS (Prif Weinidog Cymru) at y Gwir Anrhydeddus Boris Johnson AS (Prif Weinidog), dyddiedig 16/10/2020.
Llythyr drafft oddi wrth y Gwir Anrhydeddus Mark Drakeford AS (Prif Weinidog Cymru) at y Gwir Anrhydeddus Boris Johnson AS (Prif Weinidog), dyddiedig 16/10/2020.