551-73, 1922/25 ½c-$5 Fourth Bureau Issues,desirable complete set with the values chosen for centering, freshness of color and full o.g., NH, very fine or better; numerous certificates including 554 2007 PSE graded XF-Sup 95, 555 2012 PSE, 558 2006 PSE graded VF-XF 85, 560 2010 PSE, 563 2007 PSE graded XF-Sup 95, 565 2011 PSE, 567 2005 PSE graded XF 90, 569 2008 PSE graded XF 90, 570 2010 PSE, 572 2005 PSE graded VF-XF 85, 573 2010 PSE graded VF 80 (Scott $940+)