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gptkbp:instance_of
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gptkb:protocol
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gptkbp:acquisition
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by Collectors Universe
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gptkbp:awards
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industry awards
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gptkbp:card_number
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gptkb:Authentic
gptkb:Gem_Mint_10
gptkb:Mint_9
Reprint
Altered
10-point scale
Excellent 5
Good 2
Near Mint 8
No Grade
Poor 1
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gptkbp:certification
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gptkb:PSA/_DNA
PSA grading scale
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gptkbp:customer_base
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gptkb:investors
dealers
global collectors
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gptkbp:employees
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over 100
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gptkbp:events
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sports card conventions
authentication events
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gptkbp:founded
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gptkb:1991
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gptkbp:founder
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gptkb:David_Hall
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gptkbp:headquarters
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gptkb:Santa_Ana,_California
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|
https://www.w3.org/2000/01/rdf-schema#label
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PSA (Professional Sports Authenticator)
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gptkbp:industry
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gptkb:collectibles
|
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gptkbp:market_position
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high demand
dominant player
trusted authority
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gptkbp:notable_clients
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gptkb:athletes
gptkb:sports_team
gptkb:collectors
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gptkbp:parent_organization
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gptkb:Collectibles_Authentication_Guaranty
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|
gptkbp:partnerships
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sports leagues
auction houses
hobby shops
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gptkbp:reputation
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leading grading service
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gptkbp:services
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authentication of sports memorabilia
grading of trading cards
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gptkbp:technology
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gptkb:mobile_app
digital submission platform
online population of grades
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gptkbp:website
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www.psacard.com
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gptkbp:bfsParent
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gptkb:Donruss_Prizm
gptkb:Topps_Gypsy_Queen
gptkb:Topps_Update_Baseball
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gptkbp:bfsLayer
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8
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