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Our algorithm tracks 527 verified sales from eBay and other marketplaces. We don't use asking prices, only what buyers actually pay.
We automatically exclude damaged items, reproductions, and extreme outliers to ensure the average is representative of the true market value.
The retro market moves fast. Our database refreshes every day to capture the latest trends and shifts in collector demand.
Confidence Score: High • Based on 527 verified transactions
Currently, the value of a Complete In Box (CIB) copy of Alpha Shield is estimated around $55.93. For collectors looking for a Loose copy, transactions usually happen around $23.00. The price gap suggests that the box is relatively common.
Released in 1983 on Atari 400, this title is an interesting piece for any Atari 400 collector. The price is currently attractive compared to its historical average.
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Our algorithm tracks 527 verified sales from eBay and other marketplaces. We don't use asking prices, only what buyers actually pay.
We automatically exclude damaged items, reproductions, and extreme outliers to ensure the average is representative of the true market value.
The retro market moves fast. Our database refreshes every day to capture the latest trends and shifts in collector demand.
Confidence Score: High • Based on 527 verified transactions