A GORGEOUS top plate block of 6 --13 cent, Rutherford B. Hayes, #563, Light Blue, VF-XF, Mint OG, NH.  The Scott value for a plate block of 6 in this condition is $70.00 -- this plate block is PRISTINE!  Please see scans for centering and the condition of the gum.  Shipping is free and satisfaction is guaranteed.   I also have outstanding fine crystal items, vintage baseball and football cards, and high-quality unused U.S. stamps coming up for sale or auction on eBay.  Please let me know what you would like to see listed.