There are 48 cards plus two 'Double-ups''. Looking at the size of the photos and picture characteristics....buildings, cars, dress etc, I would say these date to around 1930-1940. Condition is good and each photo card measures 3 3/4" x 2 3/4".
At Molloy's MEGA ANTIQUES CENTRE, Takapuna, Auckland, New Zealand
Specialists in Pacific Islands Items, Victoriana, And a Fascinating Range of General Collectibles