The "Southern" series of cards dates from the 1950-1960 era.  The backs of the "Southern" cards are very similar to those on BB cards from the same era, so possibly these were made by BB as well.
 

"Southern" card

"BB" card

 
 
 
 

	1. Alderney Cattle		2. St. Anne's (Fort Albert from Butes)
	3. Braye Harbour		4. Telegraph Bay
	5. Snow in St. Annes Connaught Square		6. Clonque Bay
	7. Ortac Rock with Gannets		8. High Seas at Corblets Bay

 

11. Street in St. Anne's