The envelope, postmarked May 22, 1879, from Jacksonville, IL, is addressed to his son Charles Henry, who was attending the United States Military Academy at the time. The envelope has been authenticated and encapsulated by Beckett Authentication Services (BAS). Please see pics, and my apologies for the circular glare that appears on the front and back. Dont miss out on this fantastic and rare piece! Good luck, thanks for stopping by, and be sure to check out my other auctions!The item "Civil War Union General Benjamin Grierson Handwritten Envelope Beckett BAS" is in sale since Tuesday, July 14, 2020. This item is in the category "Collectibles\Autographs\Historical". The seller is "joeyhaymaker" and is located in Ladson, South Carolina. 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, Japan, China, Sweden, South Korea, Indonesia, Taiwan, South africa, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Bahamas, Israel, Mexico, New Zealand, Philippines, Singapore, Switzerland, Norway, Saudi arabia, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Brazil, Chile, Colombia, Costa rica, Panama, Trinidad and tobago, Guatemala, Honduras, Jamaica, Antigua and barbuda, Aruba, Belize, Dominica, Grenada, Saint kitts and nevis, Saint lucia, Turks and caicos islands, Barbados, Bangladesh, Bermuda, Brunei darussalam, Bolivia, Ecuador, Egypt, French guiana, Guernsey, Gibraltar, Guadeloupe, Iceland, Jersey, Jordan, Cambodia, Cayman islands, Liechtenstein, Sri lanka, Luxembourg, Monaco, Macao, Martinique, Maldives, Nicaragua, Oman, Peru, Pakistan, Paraguay, Reunion, Viet nam, Uruguay, Montserrat.