This is an intaglio print. An intaglio is an official reprint of a banknote or treasury note. These are reprinted by the Bureau of Engraving and Printing, and are completely legal to possess.
They are not legal tender and do not contain a serial number. The Bureau of Engraving and Printing used the original press plates to make the intaglios, so they are authentic reprints. These intaglios are authenticated, professionally graded by PCGS and are sealed inside anti-counterfeiting sleeves, so you know they are genuine.
Intaglios have become scare and very few are available. Graded ones are even more rare. The item "$500,000,000 US Treasury Note Intaglio- VERY RARE- PCGS Graded Choice Unc 64 PPQ" is in sale since Friday, August 13, 2021. This item is in the category "Coins & Paper Money\Paper Money\ US\Other US Paper Money". The seller is "whitesquirrelstore" and is located in Sheridan, Wyoming.
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, Dominican republic, Panama, Trinidad and tobago, Guatemala, Honduras, Antigua and barbuda, Aruba, Belize, Dominica, Grenada, Saint kitts and nevis, Saint lucia, Montserrat, 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, Russian federation.