THE RED OR YELLOW CIRCLE ( ARROW )  THAT MAKES EVIDENCE OF ERROR IS DIGITAL, THE STAMPS ARE WITHOUT ANY MARKS . ALL THE PAGE SCANNED WITHOUT CONTRAST   COMPLETE ISSUE , LIGHT AND VERY LIGHT USED , NO THINNED PAPER , ALL WITH WATERMARK   - SEE BIGGER SCAN ON BOTTOM PAGE - VISIBLE ON CELLULAR PHONES ON ITEM DESCRIPTION - PRESS OPTION - "SHOW MORE". SCOTT 2015 CATALOG VALUE =125 US$ , SCOTT - B310-B313 , MICHEL  - 117-120, STANLEY GIBBONS -  . YVERT - . P5895k.22