Base Set Trainer Deck B (BAS) carries a total slabbed market cap of $2.9M as of Nov 13, 2026. TCGBerg tracks a fair value for 60 card and grade combinations in the set. Blastoise #2 · PSA 10 anchors the set at 46.9% of its total cap.
Historical context
Released in 1999 as a EN release.
Market overview
Cap is concentrated: the largest card-grade position is 46.9% and the top 5 make up 72.1% of set cap. The set's cap-weighted fair-value confidence is very low (19/100). It has seen 12 graded sales over the trailing 30 days.
Frequently asked
What are the chase cards in Base Set Trainer Deck B?
Ranked by PSA 10 fair value, the most valuable Base Set Trainer Deck B cards on TCGBerg are Blastoise #2 ($58,230.34), Squirtle #63 ($3,305.66), Computer Search #71 ($3,283.87), Wartortle #42 ($2,272.79) and Pidgeotto #22 ($2,139.10). Values are model estimates from recorded sales and change as the market moves; open a card for its sales evidence and graded values.
What is included in the Base Set Trainer Deck B card list?
This list covers 13 catalog printings. Editions and finishes can have separate entries for the same card number. Prices appear where valuation or sales evidence is available; an unpriced entry does not mean the card is worth zero.
How do I compare Base Set Trainer Deck B card prices?
Match the card number, printing and condition before comparing values. Use raw condition prices for ungraded copies, and the same grading company and grade for slabs. Open a card to check the available price history, recorded sales and sales evidence.