Image © The Pokémon Company, shown for identification.
Cloyster
Expedition Base Set · #42/165
Cloyster (42/165), the Rare from Expedition Base Set, has an estimated ungraded market price of about $19, typically in the $16–$21 range.
As of September 14, 2026 · tracked daily by Riffle · estimates, not financial advice · how these numbers work
The modeled fair value of this card, with a confidence grade: what it should trade at, not just what it lists at. Part of Riffle premium, alongside price history and the full graded ladder.
About Cloyster
Cloyster is a Rare (42/165) from the Pokémon Expedition Base Set set, released September 15, 2002. Ungraded copies currently trade at an estimated market price of $16–$21. The artwork is by Kyoko Umemoto. Riffle tracks its market price daily; graded (PSA) comps and full price history are available with Riffle.
Other versions of Cloyster
Cloyster appears on 12 different cards across the sets Riffle tracks, at very different values. This page covers #42/165 from Expedition Base Set; the collector number printed at the bottom of the card tells them apart.
Expedition Base Set · #8/165$80–$105Holo Rare
FireRed & LeafGreen · #20/112$2–$3Rare
Fossil · #32/62$1–$2Uncommon
Secret Wonders · #47/132under $1Uncommon
XY · #32/146under $1Rare
Generations · #20/83under $1Uncommon
Sword & Shield · #41/202under $1Rare
151 · #091/165under $1Uncommon
BREAKpoint · #24/122under $1Uncommon
Fusion Strike · #51/264under $1RareFAQ
How much is Cloyster (42/165) worth?
Cloyster (42/165), the Rare from Expedition Base Set, has an estimated ungraded market price of about $19, typically in the $16–$21 range. Note: 11 other cards named Cloyster exist across the sets Riffle tracks, at very different values; check the collector number.
Which Cloyster card is this, and how do I tell the versions apart?
This page covers Cloyster (42/165), the Rare (about $16–$21) from Expedition Base Set.
The other versions: #8/165 from Expedition Base Set (Holo Rare, about $80–$105); #20/112 from FireRed & LeafGreen (Rare, about $2–$3); #32/62 from Fossil (Uncommon, about $1–$2); #47/132 from Secret Wonders (Uncommon, about under $1); #32/146 from XY (Rare, about under $1); #20/83 from Generations (Uncommon, about under $1); #41/202 from Sword & Shield (Rare, about under $1); #091/165 from 151 (Uncommon, about under $1); #24/122 from BREAKpoint (Uncommon, about under $1); #51/264 from Fusion Strike (Rare, about under $1); #34/149 from Sun & Moon (Rare, about under $1).
The collector number printed at the bottom of the card is the reliable way to tell them apart.
More from Expedition Base Set
Grading
A grading read appears once Cloyster has a PSA population census. Riffle captures the census monthly; this card doesn’t have enough graded copies on record yet.
- $16–$21 is the middle 80% of clean market activity, not the cheapest listing and not the most hopeful one.
- The band spans about ±14% around its midpoint: a moderate spread.
- Sampled daily since July 28, 2026, current as of September 14, 2026.
When the data thins, the band widens and says so, it never fakes precision. Exact source prices are part of Riffle premium; the band is Riffle’s own figure to publish. How these numbers work →