From ASB no. 281(Sep-Dec 2005) page 17, Pacific Explorer 2005 Stamp Expo Update:
Snapshot! and Personalised stampsTM
One of the innovations featured at the Pacific Explorer was the first personalised booklet - Snapshot! Souvenir Booklet. There was a steady stream of buyers eager to have their photograph placed into this lasting Pacific Explorer memento. The feedback from those who purchased the product was very positive ...
This is another first for Australia Post and will be a product to look out for in the future. Generic versions of the Snapshot! Souvenir Booklet are available from mail order.
Presumably this the generic version that kandyman has:https://www.steveirwinstamps.co.uk/...-38857-p.asp