An excellent product is made by Elmers Products Inc. Columbus Ohio found in an art supply place "Painters" Opaque paint Marker it's permanent , acid free. fine or medium point will do the trick I use a queen depressor- a foam disk with a hole in it and a handle -works like a charm Walter Ontario ****************************************************** * Full guidelines for BEE-L posting are at: * * http://www.honeybeeworld.com/bee-l/guidelines.htm * ******************************************************