Grade Matrix
Graded
PSA 6
-
Grade 7 guide
-
Grade 8 guide
-
Grade 9 guide
$32
PSA 10
$35
PSA 10: Last PSA 10 sale $35.00 on Oct 13, 2022 · checked Oct 26, 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
$21
CGC P10
-
Availability
Availabilityi
6/10G: —
Graded: insufficient data · Sales per year: ~54 sales/yr · Raw recent sales: 60 · Grade 9 recent sales: 3 · PSA 10 recent sales: 1 · Graded copies: 11
TCGplayer Price History
Reverse HolofoilProduct 121199Fetched Oct 22, 3:45 AM
Weekly market
$0.74
week ending Oct 19
Weekly avg sale
$0.00
week ending Oct 19
Units sold (week)
0
week ending Oct 19
Card Value FAQ
How much is a PSA 10 Bastiodon (Steam Siege #70) worth?
A PSA 10 Bastiodon (Steam Siege #70) is currently shown at $35.00. GemDelta labels this as the latest stored PSA 10 sale, which is older than the sales window; no sales were found inside that window.
What is the Reverse Holo version of Bastiodon (Steam Siege #70) worth?
The Reverse Holo version of Bastiodon (Steam Siege #70) is shown at $0.75 market price. That value is for this stored card variant, not the base printing.
PSA 10 past sales
| Date | Listing | Sale |
|---|---|---|
| Oct 13, 2022 | 2016 Pokemon XY Steam Siege Reverse Holo Bastiodon #70 PSA 10 GEM MINT [Fanatics] | $35.00 |