Prices updated 8/23/2026
Professor Oak's New Theory
HeartGold & SoulSilver · #101
Set
HeartGold & SoulSilver
Series
HeartGold & SoulSilver
Rarity
Uncommon
Number
101
Supertype
Trainer
Artist
Ken Sugimori
Subtypes
Supporter
Prices & Marketplace
Price at a glance
Market
$0.86
TCGPlayer
Sold · raw
$1.69
+97% vs market
Sold · graded
—
no data
Market is the TCGPlayer estimate; “sold” is the median of real recent sales.
TCGPlayer (NM market)
referenceNormal
low $0.25$0.86
Reverse Holofoil
low $4.28$6.92
Buy on eBay
active asks · 5d agoeBayPSA 7
Lowest $21.00
1 active listing
eBayRaw / Ungraded
Lowest $0.73· Median $2.18
199 active listings·15% below market
View all 245 listings on eBay →Recent sales
4 recent soldsWhat buyers actually paid, by grade — not an estimate.
Raw / Ungraded
4 sold · range $1.55–$1.90 · latest $1.90 · Jun 14 ↗
$1.69
median
Sold-price data from Silph Co Analytics. Outliers excluded.
Price History
2 price points-3.4% ($-0.03)
Apr 5$0.86 – $0.89Aug 23
Listings by grade
The cheapest copy listed on eBay at each grade right now — what the slab is worth paying for.
| Grade | Lowest ask | Listed | |
|---|---|---|---|
| PSA 8 & under | $21.00 | 1 | Listings → |
| Raw / Ungraded | $0.73 | 199 | Listings → |
These are current asking prices, not sold prices — a grade with one optimistic listing can look far pricier than it trades for. Recent sold comps are below.
