All were signed in front of my eyes at a local sports card show. Each bobblehead comes with a Ticket Stub from their game, Original Box and COA from Free Agent Sports Marketing.
I will even throw in an unsigned Randy Johnson bobblehead just so you have the whole set from the 2001 Season. The item "Lot of (4) 2001 Signed AZ Diamondbacks SGA Bobbleheads + Bonus Bobblehead" is in sale since Wednesday, April 18, 2018. This item is in the category "Sports Mem, Cards & Fan Shop\Vintage Sports Memorabilia\Bobble Heads". The seller is "nostalgiables" and is located in Scottsdale, Arizona. This item can be shipped to United States, 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, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Israel, Mexico, New Zealand, Philippines, Singapore, Switzerland, Norway, Saudi arabia, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Brazil, Chile, Costa rica, Dominican republic, Panama, Trinidad and tobago, Guatemala, El salvador, Honduras, Jamaica, Aruba, Belize, Dominica, Grenada, Saint kitts and nevis, Turks and caicos islands, Bangladesh, Brunei darussalam, Bolivia, Ecuador, Egypt, French guiana, Guernsey, Gibraltar, Guadeloupe, Iceland, Jersey, Jordan, Cambodia, Liechtenstein, Luxembourg, Monaco, Macao, Martinique, Nicaragua, Peru, Pakistan, Paraguay, Bahamas, Viet nam, Uruguay, Russian federation, Canada, Sri lanka, South africa, Colombia, Antigua and barbuda, Saint lucia, Barbados, Bermuda, Cayman islands, Maldives, Oman, Reunion, Montserrat, Ukraine.