![Brock's Sandslash [1st Edition] #36 Pokémon card from Gym Challenge](https://storage.googleapis.com/images.pricecharting.com/34614b555a91e5b3e52f7909cf4105e2aaa209ecfada5c985cf9d52987d0176a/240.jpg)
Brock's Sandslash [1st Edition] 36/132
Gym Challenge
Find this card on eBay
Click here for eBay listings Click here for eBay listings Show eBay Sold Listings Show eBay Sold Listings
Affiliate link · we may earn commission
Brock's Sandslash [1st Edition] #36 from Gym Challenge currently trades at $8.35 raw, with PSA 10 copies reaching $323.99 — a 38.8x grade premium.
Current Prices (USD)
Ungraded
PSA 7
PSA 8
PSA 9
PSA 10
ACE 10
BGS 10 Black
CGC 10 Pristine
Compare on eBay
Affiliate link · we may earn commission
Raw Price Trend
7d
—
30d
—
90d
+10.3%
180d
+18.8%
1y
+28.5%
2y
+34.5%
5y
+62.1%
Quick price facts
Brock's Sandslash [1st Edition] 36/132 from Gym Challenge has a current raw market value of $8.35.
- Current raw value
- $8.35
- PSA 9 value
- $32.02
- PSA 10 value
- $324
- PSA 10 premium vs raw
- 38.8× raw
Collector Intel
38.8x
Raw → PSA 10
High-risk grade
3.8x
Raw → PSA 9
Grade multiplier
Calculated from price history, PSA population data, and market trends. Not financial advice.
Grading Calculator
Based on PSA Standard tier (~$25 USD). Assumes a perfect PSA 10 result — actual outcome depends on card condition.
⚠️ High-variance grade. PSA 10 is 39x the raw price. The expected value accounts for the realistic probability.
$8
Buy Raw
~$25
Grading Fee
PSA Standard
$324
PSA 10 Value
+$291
Best Case (PSA 10)
if you pull a 10
Grade Multiples vs Raw
PSA 9$323.8x raw
PSA 10$32438.8x raw
Frequently asked questions
Recent verified sales
Find this card on eBay →Affiliate · we may earn commission
- 29 Jul 2026Rawtcgplayercompleted-auctions-usednear mint$7.99
- 27 Jul 2026Rawtcgplayercompleted-auctions-usednear mint$12.98
- 26 Jul 2026Rawtcgplayercompleted-auctions-usednear mint$7.92
- 25 Jul 2026Rawebaycompleted-auctions-usedlightly played$4.49
- 24 Jul 2026Rawebaycompleted-auctions-usedplayed$5.49