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PSA 10: Median of 8 sales, last 45 days · newest Oct 19, 2026 · checked Oct 27, 2026
PSA 9: Median of 10 PSA 9 sales in the last 90 days, latest 2026-10-23. Grade 9 guide (all graders): $175.
Grade 7 and Grade 8 are PriceCharting guides across all graders (PSA, CGC, BGS, SGC, TAG).
GemDelta shows Onix (Southern Islands #3) at $64.38 market price (TCGplayer market). Its Delta multiple is 19.0x.
A PSA 10 Onix (Southern Islands #3) is currently shown at $1,225, the median of 8 PSA 10 sales in the last 45 days (newest Oct 19, 2026).
GemDelta records a 23.2% gem rate for Onix (Southern Islands #3), with 251 PSA 10 copies out of 1,084 total PSA grades and a 19.0x Delta. That describes the grading profile; it is not financial advice.
| Date | Listing | Sale |
|---|---|---|
| Oct 19, 2026 | Pokemon Onix Southern Islands Promo 3/18 PSA 10 Gem Mint #18-Mar | $961.00 |
| Oct 14, 2026 | Pokemon TCG Southern Islands Onix 03/18 Promo Regular PSA 10 Gem Mint 03/18 | $1375.00 |
| Oct 12, 2026 | 2001 Pokemon Onix Southern Islands Promo #3 PSA 10 #3 | $1460.69 |
| Oct 8, 2026 | Pokemon Graded: Onix #95 Southern Islands (1999) Promo PSA 10 | $352.00 |
| Oct 6, 2026 | Pokemon Southern Islands Onix Promo #3 PSA 10 GEM MINT 2001 WOTC | $1461.07 |
| Oct 3, 2026 | 2001 Pokemon Southern Islands Onix #3 - PSA 10 GEM MINT! #3 | $1250.00 |
| Oct 2, 2026 | 2001 POKEMON SOUTHERN ISLANDS ONIX PROMO #3 PSA 10 #3 | $1200.00 |
| Sep 23, 2026 | 2001 Pokemon Southern Islands Onix #3 - PSA 10 GEM MINT! #3 | $900.00 |
| Sep 14, 2026 | 2001 Pokemon Southern Islands Promo #3 Onix - PSA GEM MT 10 [Goldin] | $733.22 |
| Aug 2, 2026 | Pokemon Onix Southern Islands Promo 3/18 PSA 10 Gem Mint #18-Mar | $445.00 |
| May 29, 2026 | 2001 POKEMON SOUTHERN ISLANDS PROMO #3 ONIX Gem Mint PSA 10 #3 | $400.00 |