ACEOs are Artist Card Editions and Originals. Many artists are selling these little art cards on ETSY. They are small--2 1/2 x 3 1/2. They are similar to trading cards and people are collecting them--so I thought I would try some. The girl was kinda fun and the Poppies are always fun. These are a little bit smaller than the correct size for an ACEO because I miss- measured the 300 lb Arches. See---I get so flustered using 300lb Arches that I messed up. Must remember--"Measure twice--cut once." We'll see if I can do more of these and post some.