- Set
- Professor Program Promos
- Number
- #167/192
- Market
- US
- Rarity
- Uncommon
- Variant
- Reverse Holofoil
Sonia
Professor Program Promos / #167/192Tip: compare “Reference price” with “Buy now”. A large gap usually means scarce availability or inflated listings.
Reference priceLP
$19.97
Average of confirmed sales; the main valuation baseline.
Buy now from
—
Lowest active listing; an asking price, not a completed sale.
7-day change
-0.2%
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
$19.97
7D
-0.2%
Range
$19.97 – $19.97
Sample
>5
PokémonUSUncommon
Sonia
Professor Program Promos / #167/192/Reverse Holofoil
Current Price
$19.97
LP-0.2%
LOW
$19.97
HIGH
$19.97
Volume
>5
Condition / Grade
click to filter
MARKET PRICES·
7D Range
$19.97 – $19.97
Volume (LP)
>5
Confidence
100+ sales
Market
US
Variant
Reverse Holofoil
Rarity
Uncommon
Last Updated
9/1/2026
Very low or no movement
Market Data
DETAILED PRICES · Price History
DETAILED PRICES · ALL CONDITIONS3 tiers
| Condition/Grade | Price | LOW | HIGH | 7D CHG | Volume | Spark |
|---|---|---|---|---|---|---|
LPRAW | $19.97 | $19.97 | $19.97 | 0.0% | >5 | |
NMRAW | $28.02 | $28.02 | $30.98 | 0.0% | >5 | |
MPRAW | $19.99 | $19.99 | $19.99 | 0.0% | >5 |
MARKET INSIGHTS + Price History
DAILY HISTORY
14 records available| DATE | SOURCE | Price | Change |
|---|---|---|---|
| 2026-09-01 | TCG | $19.97 | — |
| 2026-08-31 | TCG | $19.97 | — |
| 2026-08-30 | TCG | $19.97 | — |
| 2026-08-29 | TCG | $19.97 | — |
| 2026-08-28 | TCG | $19.97 | — |
| 2026-08-27 | TCG | $19.97 | — |
| 2026-08-26 | TCG | $19.97 | — |
| 2026-08-25 | TCG | $19.97 | — |
6 records availableAPI Pricing