Reverse-painted glass framed photographs are a rare and fragile part of the Memorial's collection.

The Memorial has the largest-known collection of these unique portraits in the world.

In episode six of Collected Louise Maher talks to Curator Joanne Smedley about these works and the exhibition currently on display at the Memorial.

In conversation with art conservator Janet Hearne, Louise gets an insight into the delicate challenge of preserving these precious artefacts.