Vintage Chief Seattle L First Nations Native American Front Back Graphic Environ

Very nice vintage shirt. Great environmental saying. Artwork by Yatiri, I cannot find any info on this artist. Please see close ups of sayings on back and front, very inspirational and moving. Condition: Vintage nice condition, NOTE when I photographed I saw two spots on the front which are very hard to see under normal light, please see all photos Dimensions/approx: 22" flat across back under arms 28" back top crew neck to hem 22.5" flat across back hem 7.5" shoulder seam to sleeve hem