In my professional opinion, the following item is. #679 Ten Cent Nebraska Overprint.
I grade this item: Fine 1, which means. Centering as Illustrated; Never Hinged Original Gum. POB 51258, Provo, Utah 84605. The item "#679 TEN CENT NEBRASKA OVERPRINT BLOCK.
SCV $720+" is in sale since Friday, April 12, 2019. This item is in the category "Stamps\United States\1901-40\ Unused".The seller is "karl-anderson" and is located in Provo, Utah. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Sweden, Indonesia, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Bahamas, Israel, Mexico, New Zealand, Philippines, Singapore, Switzerland, Norway, Saudi arabia, Ukraine, United arab emirates, Qatar, Bahrain, Croatia, Malaysia, Colombia, Costa rica, Panama, Trinidad and tobago, Guatemala, Honduras, Brunei darussalam, Ecuador, Egypt, Iceland, Jordan, Sri lanka, Macao, Martinique, Viet nam, Uruguay, Russian federation.