One of her principal collections was that of the postage stamps of British Africa and Asia .
Louise Dale was responsible for building a number of valuable philatelic collections , some based on the collections of her father , Alfred Lichtenstein .
One of Louise Dale 's principal collections was that of the postage stamps of British Africa and Asia .
Louise Dale was responsible for building a number of valuable philatelic collections , some based on the collections of her father , Alfred Lichtenstein .