Grade Matrix
Graded
PSA 6
-
Grade 7 guide
$6
Grade 8 guide
-
Grade 9 guide
$14
PSA 10
$70
PSA 10: Last PSA 10 sale $69.79 on Mar 12, 2026 · checked Oct 27, 2026
Grade 9: No recent PSA 9 sales. PriceCharting Grade 9 guide, mixing PSA, CGC, BGS, SGC and TAG 9s.
Grade 7 and Grade 8 are PriceCharting guides across all graders (PSA, CGC, BGS, SGC, TAG).
CGC
CGC 8
-
CGC 9
-
CGC 10
$7
CGC P10
-
Availability
Availabilityi
7/10G: —
Graded: insufficient data · Sales per year: ~22 sales/yr · Raw recent sales: 28 · Grade 9 recent sales: 1 · PSA 10 recent sales: 1 · Graded copies: 16
TCGplayer Price History
HolofoilProduct 263867Fetched Oct 20, 3:56 AM
Weekly market
$0.15
week ending Oct 19
Weekly avg sale
$0.06
week ending Oct 19
Units sold (week)
1
week ending Oct 19
Card Value FAQ
How much is a PSA 10 Professor's Research (Brilliant Stars #147) worth?
A PSA 10 Professor's Research (Brilliant Stars #147) is currently shown at $69.79. GemDelta labels this as the latest stored PSA 10 sale, which is older than the sales window; no sales were found inside that window.
PSA 10 past sales
| Date | Listing | Sale |
|---|---|---|
| Mar 12, 2026 | 2022 POKEMON SWORD & SHIELD BRILLIANT STARS PROFESSOR'S RESEARCH-HOLO PSA 10 #147 | $69.79 |