What are the physical sizes of the 'Collages'?

The 327 artworks are Acrylic Painted Paper Collage on Black Card in a Black Wooden Frame with Non-Reflective Glass, and measure 52 cm x 40 cm including frame. The unframed measurements are 42cm × 29.5 cm, except for artwork 94 which is 45cm × 32 cm.

Each artwork is signed by Brian Clarke.