Professor Oak's New Theory [Reverse Holo] Pokemon HeartGold & SoulSilver #101

The current market price of Professor Oak's New Theory [Reverse Holo] is $6.99, based on recent Raw NM market data tracked by Double Holo. It updates daily.

Professor Oak's New Theory [Reverse Holo] is from the Pokemon HeartGold & SoulSilver set, card number 101, released in 2010.

Whether Professor Oak's New Theory [Reverse Holo] is worth grading depends on its condition and the graded population for the card. Higher grades command larger premiums, so review recent graded sales and use Double Holo's Grading ROI tools to weigh the cost of grading against the expected graded value before submitting.

You can buy or sell Professor Oak's New Theory [Reverse Holo] on the Double Holo marketplace, which pairs live listings with a bid and ask order book, so you can set your own price or take the best available offer. Sellers pay a 4.9% platform fee on completed sales, with a $1 minimum.

As of Oct 27, 2026, Professor Oak's New Theory [Reverse Holo] (Pokemon HeartGold & SoulSilver #101) has a market price of $6.99 in Near Mint, $5.51 in Lightly Played, $3.41 in Moderately Played, $2.55 in Heavily Played, and $1.00 in Damaged, based on recent market data tracked by Double Holo. Over the last 30 days, Near Mint daily prices averaged $6.97 and ranged from $6.96 to $6.99. Near Mint is up 0.4% from about a month ago.