Corona canary yellow.
In the 1916 RHS Classification List, this cultivar was designated to be either lost to cultivation or surpassed by modern varieties.
“Absorbed” ‘Mignonne’ and ‘Silver King’
'Leedsii 'Fanny Mason'', 'Leedsii 'Vincenti Gloriosa'', 'Silver King', 'Vincenti Gloriosa', 'Vincenti Gloriosus'
There are no photos of "Fanny Mason" in Daffseek.