Mark Powell 0TechAugust 2, 2015 A+ A- Email Print Mark Powell is an English artist performing very detailed portraits entirely Bic pen on old stamped envelopes and stamped. Discover its recent achievements. More picture here. Join us on Facebook or Twitter Posted by PopArt Tagged withUrban Like to share? Newer PostBRITAIN IN COLOUR (1939-1945) Older PostVhils Leave a Reply Cancel replyYou must be logged in to post a comment.