
Cloyster is a Stage 1 Water-type Pokémon card from the Expedition Base Set, numbered 42. It has 80 HP and was illustrated by artist Kyoko Umemoto. The card is…
Cloyster is a Water-type Pokémon card with 80 HP from the Expedition Base Set set, part of the E-Card series. It carries the collector number 42/165 and is classified as Rare. The Expedition Base Set set was released on September 15, 2002.
Card name: Cloyster
Card number: 42/165
Set: Expedition Base Set
Series: E-Card
Rarity: Rare
Subtypes: Stage 1
Type: Water
HP: 80
Artist: Kyoko Umemoto
Release date: September 15, 2002
National Pokédex number: 91
Cloyster is a solid addition to the Expedition Base Set set, and clean, well-centred copies are the most desirable to collectors who grade their cards.
Across the hobby, collectibility generally comes down to rarity, condition, artwork, and overall demand for the set.
Cloyster was illustrated by Kyoko Umemoto.
Artwork is one of the factors collectors weigh when deciding which copies to keep or send for grading.
The current aggregated market price for Cloyster is about $31.15. Recent listings range from roughly $36.10 (low) to $362 (high), with a mid-point near
For context, the Expedition Base Set set has a median card value near $45.00 and an average near $83.63, so this card sits below the typical card in the set. The aggregated price has moved -92% over the last 7 days and -95% over 30 days.
Pokémon cards are best collected for enjoyment first. Where value matters, it is typically driven by graded population, the popularity of the Expedition Base Set set, the availability of sealed product, and broader Pokémon TCG market trends.
Whether Cloyster is worth grading comes down to condition. Before submitting a card, collectors usually check front and back centring, corner sharpness, edge wear, surface defects, and any print lines or factory imperfections.
Across the hobby, top grades such as PSA 10, BGS/Beckett 9.5–10, and CGC Pristine 10 generally command a premium over raw or lower-graded copies.
PSA has graded 307 copies of this card, of which 72 earned a PSA 10 — a gem rate of about 23.5%. These population figures were last refreshed on June 15, 2026. Population counts only rise as more copies are submitted, so the gem rate and totals shift over time; nothing here is estimated or back-filled.
Rare cards like Cloyster are pulled less often than commons and uncommons, while still appearing more frequently than the set's top-tier rare cards.
Population data is one concrete measure of scarcity: PSA has graded 307 copies to date.
Cloyster appears on more than one card across the catalog. Other printings include Expedition Base Set 8 (around $91.38), FireRed & LeafGreen 20 (around $33.39) and Secret Wonders 47 (around $9.63).
These are distinct cards rather than a single listing; compare the set, collector number, and rarity when identifying a specific copy.
The Cloyster pokémon card is a Rare card from the Expedition Base Set set (E-Card series). It is a straightforward addition for collectors completing the Expedition Base Set set. Its current aggregated market price is about $31.15; the live figure and full price history appear above on this page.
Cloyster is from the Expedition Base Set set (E-Card series), numbered 42/165 with the Rare rarity.
Cloyster is classified as Rare.
The current aggregated market price is about $31.15, within a recent range of roughly $36.10 to $362. The live figure and full price history appear above on this page.
It can be, if the card is well-centred and free of noticeable edge, corner, or surface flaws. PSA has graded 307 copies so far, with about 23.5% reaching PSA 10. Top grades typically command a premium over raw copies.
PSA has graded 307 copies, of which 72 are PSA 10 (a gem rate of about 23.5%). These figures were last updated on June 15, 2026.
Rare cards like Cloyster are pulled less often than commons and uncommons, while still appearing more frequently than the set's top-tier rare cards.
The Expedition Base Set set was released on September 15, 2002.
Yes. Cloyster appears on 12 other cards across the catalog. Compare the set, collector number, and rarity to identify a specific copy.