All 300 Cards are Silver Parallels, which was expensive and time-consuming to put together. Cards 1-200 are the veterans, 201-300 are all Rookie Cards, including Mahomes, Watson, McCaffrey, Kamara, Cook, TJ Watt, Myles Garrett, JuJu Smith-Schuster, Budda Baker, Jamal Adams, Aaron Jones, Cooper Kupp, it's loaded! All cards are in Penny Sleeves and are in NR-Mint to Mint condition.
I've provided photos of the key cards. The Mahomes looks great, but does have the manufacturing dimple to the left of his shoulder. The item "2017 Prizm ALL SILVER FB Complete Set 1-300 Patrick Mahomes RC, Watson McCaffrey" is in sale since Sunday, November 29, 2020. This item is in the category "Sports Mem, Cards & Fan Shop\Sports Trading Cards\Football Cards".The seller is "mintsports_northwest" and is located in Seattle, Washington. 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, Sweden, South Korea, Indonesia, 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, Bahrain, Croatia, Malaysia, Chile, Colombia, Panama, Jamaica, Barbados, Bangladesh, Bermuda, Brunei darussalam, Bolivia, Egypt, French guiana, Guernsey, Gibraltar, Guadeloupe, Iceland, Jersey, Jordan, Cambodia, Cayman islands, Liechtenstein, Sri lanka, Luxembourg, Monaco, Macao, Martinique, Maldives, Nicaragua, Oman, Pakistan, Paraguay, Reunion, Uruguay.