I think this could be the death of her second husband Alfred,
Alfred SMITH Mar 1929 Stourbridge 6c 28
Age at Death: 50
England & Wales, National Probate Calendar (Index of Wills and Administrations), 1858-1966
SMITH Alfred of 39 Furnace Hill, Halesowen, Worcestershire, died 26 March 1929. Administration Birmingham 23 May to Annie Louisa SMITH widow. Effects £56 17s 11d