How many William Harridge [Gray Back] sales does Guardian track?

Sales are indexed as comps arrive from eBay and auction partners.

William Harridge [Gray Back] Sold Prices — eBay & Auction Comps (2026)

Sold prices for William Harridge [Gray Back] — current market $18.98. Browse recent eBay, PSA APR, and auction sold listings on Guardian TCG.