Guardian combines marketplace prices, recent sold listings, graded-card estimates, and cross-market checks into one daily card value. We separate raw and graded prices where data is available, ignore obvious outliers, and update card pages as new market data arrives.
Track Greg Allen [Negative Refractor] price trends, view grading values, and get market alerts on Guardian TCG. Updated daily with data from multiple sources.
How much is Greg Allen [Negative Refractor] from 2018 Topps Chrome worth?
Greg Allen [Negative Refractor] from 2018 Topps Chrome is currently worth $2.21 in 2026. Prices are updated daily from multiple sources.
How rare is Greg Allen [Negative Refractor] in 2018 Topps Chrome?
Greg Allen [Negative Refractor] is a Unknown card from the 2018 Topps Chrome set in Baseball.
Where can I buy Greg Allen [Negative Refractor]?
You can compare prices and buy Greg Allen [Negative Refractor] on TCGPlayer, eBay, and CardMarket. Guardian TCG tracks live prices from all three sources — current Guardian Estimate: $2.21.
How much is Greg Allen [Negative Refractor] from 2018 Topps Chrome worth?
Greg Allen [Negative Refractor] from 2018 Topps Chrome is currently worth $2.21 in 2026. Prices are updated daily from multiple sources.
How rare is Greg Allen [Negative Refractor] in 2018 Topps Chrome?
Greg Allen [Negative Refractor] is a Unknown card from the 2018 Topps Chrome set in Baseball.
Where can I buy Greg Allen [Negative Refractor]?
You can compare prices and buy Greg Allen [Negative Refractor] on TCGPlayer, eBay, and CardMarket. Guardian TCG tracks live prices from all three sources — current Guardian Estimate: $2.21.