- Set
- Professor Program Promos
- Number
- #190/198
- Market
- US
- Rarity
- Promo
- Variant
- Reverse Holofoil
Professor's Research [Professor Turo]
Professor Program Promos / #190/198Tip: compare “Reference price” with “Buy now”. A large gap usually means scarce availability or inflated listings.
Reference priceNM
$36.23
Average of confirmed sales; the main valuation baseline.
Buy now from
—
Lowest active listing; an asking price, not a completed sale.
7-day change
+203.4%
Reference-price movement; low volume can make it unstable.
Sample / confidence
>5100+ sales
More sales reduce the impact of individual transactions.
Condition
Source comparison — what each price means
Sales answer “what is it worth”; listings answer “what does an available copy cost”.
TCGPlayerSALES / VALUETransaction-based price; use it as the valuation baseline.
Price
$36.23
7D
+203.4%
Range
$36.23 – $36.23
Sample
>5
PokémonUSPromo
Professor's Research [Professor Turo]
Professor Program Promos / #190/198/Reverse Holofoil
Current Price
$36.23
NM+203.4%
LOW
$36.23
HIGH
$36.23
Volume
>5
Condition / Grade
click to filter
MARKET PRICES·
7D Range
$36.23 – $36.23
Volume (NM)
>5
Confidence
100+ sales
Market
US
Variant
Reverse Holofoil
Rarity
Promo
Last Updated
9/5/2026
Market Data
DETAILED PRICES · Price History
DETAILED PRICES · ALL CONDITIONS2 tiers
| Condition/Grade | Price | LOW | HIGH | 7D CHG | Volume | Spark |
|---|---|---|---|---|---|---|
NMRAW | $36.23 | $36.23 | $36.23 | +33.5% | >5 | |
LPRAW | $39.99 | $39.99 | $39.99 | 0.0% | >5 |
MARKET INSIGHTS + Price History
DAILY HISTORY
14 records available| DATE | SOURCE | Price | Change |
|---|---|---|---|
| 2026-09-05 | TCG | $36.23 | — |
| 2026-09-04 | TCG | $36.23 | — |
| 2026-09-03 | TCG | $36.23 | — |
| 2026-09-02 | TCG | $36.23 | +6.6% |
| 2026-09-01 | TCG | $33.98 | +25.2% |
| 2026-08-31 | TCG | $27.13 | — |
| 2026-08-30 | TCG | $27.13 | +8.6% |
| 2026-08-29 | TCG | $24.99 | — |
6 records availableAPI Pricing