How much is a PSA 10 Mareep [Holo] #8/L-P?

A PSA 10 Mareep [Holo] #8/L-P from Pokemon Japanese Promo is currently priced at $300 based on completed sales tracked on PokeInvest.

Is grading Mareep [Holo] #8/L-P worth it?

With a raw price of $25 and a PSA 10 selling for $300, grading Mareep [Holo] #8/L-P has a potential gross margin of $275 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 Mareep [Holo] #8/L-P: what's the price difference?

A PSA 10 Mareep [Holo] #8/L-P sells for about $300 versus about $36 for a graded 9 (PSA, CGC and BGS 9 sales combined), so the 10 carries a 8.3x premium based on recent sales tracked on PokeInvest.