If you're not familiar with "sketch cards", they are basically trading card size art boards, measuring at 2.5 x 3.5 inches, which artists would draw on, usually for a licensed or non-licensed, trading card set. :-)

The Nexus Art Realm www.nexusartrealm.com, is an official Julio Nar website, featuring his comic art, sketch cards and other artistic productions. Nexus Art Realm aka NAR, established 2019. All rights reserved. All sketch cards and comic book artwork on this website, are not to be reproduced or sold in any way, without permission of Nar and the copyright holders of any licensed trademarks displayed on this website.