If I had the money I would collect original ACEOs, but as I don't I'm going to show you a small selection available on Etsy instead.
ACEO stands for "Art Cards, Editions & Originals" and can apply to originals, prints or photographs so long as they measure 2.5" x 3.5" - that's the only rule.
Original Watercolour of a Barn Owl by paperhare
£4.50 (+ £1 p&p)
An original watercolour ACEO (2.5 x3.5 inches) on thick watercolour paper hand painted by Jodie Harnan and inspired by her love of the British countryside.
Beautiful Lady with Butterfly by Juliesretroart
£6.31 (+ £1.89 p&p)
ACEO Paintings of a lady with a butterfly. Hand Painted in Acrylic on quality artist paper.
Eye Original Coloured Pencil Drawing by NovemberMoonArt
£6 (+ free delivery)
Original coloured pencil drawing ACEO on black card. Signed on the back by the artist. The corners of the card are rounded. The ACEO is not mounted or framed.