Measures 3.5" x 5.5". Blackstone was born in Chicago and his birth name was Harry Bouton.
He was a popular magician during the WWII era, ofter performing for the troops during the war. Born in 1885 and died in 1965.
Some writing in pencil on the back. I believe it says "scarce" Harry Blackstone, Magician. He was know as "The Great Blackstone". You can see a copy of the photo listed in the photos on the LOA.
Signed Real Photo Post Card, 3.5 x 5.5, PSA" is in sale since Wednesday, May 14, 2014. This item is in the category "Collectibles\Autographs\Celebrities".
The seller is "jamesc4770" and is located in Carmel, Indiana. 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, 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, Barbados, Bangladesh, Bermuda, Brunei darussalam, Bolivia, Ecuador, Egypt, French guiana, Guernsey, Gibraltar, Guadeloupe, Iceland, Jersey, Jordan, Cambodia, Liechtenstein, Sri lanka, Luxembourg, Monaco, Macao, Martinique, Maldives, Nicaragua, Oman, Peru, Pakistan, Paraguay, Reunion, Viet nam, Uruguay, Cayman islands.