How much is a PSA 10 Onix #10?

A PSA 10 Onix #10 from Pokemon TCG Classic: Venusaur Deck is currently priced at $49 based on completed sales tracked on PokeInvest.

Is grading Onix #10 worth it?

With a raw price of $5 and a PSA 10 selling for $49, grading Onix #10 has a potential gross margin of $44 before PSA fees (from $59.99 a card, more for higher declared values). Use the PokeInvest PSA Calculator for a full ROI breakdown.

PSA 9 vs PSA 10 Onix #10: what's the price difference?

A PSA 10 Onix #10 sells for about $49 versus about $21 for a graded 9 (PSA, CGC and BGS 9 sales combined), so the 10 carries a 2.3x premium based on recent sales tracked on PokeInvest.