Blastoise

Estimated from similar cards: fewer than 5 sales we counted in 90 days, so the figure is modeled from 1 sale in 90 days, 11 older sales adjusted to today.

Kept in line with PSA 9 1st Edition: an estimate on thin evidence may not sit above a better-supported higher grade or below a lower one.

Recent sales: the middle (median) of the last 3 sales we counted (Apr 6 to Aug 1), each adjusted to typical eBay auction prices: Buy It Now and auction-house prices are moved by the gap we measure between venues in this era. The sales list shows the prices paid.

Checked on 16,528 estimate-to-next-sale pairs for grades with fewer than 5 sales in 90 days, Wizards era, from Jan 1, 2025 to Oct 16, 2026: half the next sales landed within 21 percent of the estimate at the time (as of Oct 18). A record of past estimates, not a guarantee for this card.

Estimates with limited evidence had a median error of 22 percent on 44,262 past cases (Jan 1, 2025 to Oct 16, 2026).

Last sale 78 days ago. Since then, Wizards sales have run 3 percent above their previous prices.

Evidence: strong means at least 4.5 effective recent sales (older and clustered sales count for less) with a spread under 0.15; moderate, at least 2.8 with a spread under 0.30; limited, anything less. The basis (sales of this grade, or estimated from similar cards) is stated separately.

See how close we came for similar grades

What these words mean · Methodology