Postcard collecting was a popular pastime in Edwardian times and is now again a major interest for collectors due to the depictions and photos of old town scenes, places, businesses and events long gone. Deltiology is the official term for collecting (and studying) postcards.
Post card collecting is the third largest hobby after collecting stamps and money. 1898-1919 is known as the "Golden Age of Postcards", when picture postcards were popular. Over time some major types of postcards evolved:
1901-1906 – undivided backs on picture postcards
1907-1915 – divided backs on picture postcards
1915-1930 – white border postcards were common
1930-1950 – linen collectable postcards
After WW2, postcards were produced as modern chromes, namely color photographs instead of the photo-chromes generated from black and white photos in earlier postcards – early chromes date from the 1940s to the 1960s.
Given that postcards are usually sent within a few years of production, the postmark can be an indicator of the age of the card. If the postcard presents a city, street or other view that can be matched to photos of a certain time then that can help to date the postcard.
Western Australia has produced a fine and collectable range of postcards across all eras, with many scarce cards to be found from manufacturers, hotels, mining centres and small country towns.