diff --git a/edge/src/names.rs b/edge/src/names.rs
index 397a304..0b7d71a 100644
--- a/edge/src/names.rs
+++ b/edge/src/names.rs
@@ -417,7 +417,15 @@ static DOCUMENT: LazyLock<Regex> = LazyLock::new(|| re(r"(?i)\.(pdf|epub|mobi|az
 /// imageSet (lib/release/identity.ts): the name up to the number that counts the images, digits kept.
 pub fn image_set(stem: &str) -> String {
     // .replace(/(\d+)\s*of\s*\d+/gi, '$1')
-    let mut s = OF_TOTAL.replace_all(stem.as_bytes(), &b"$1"[..]).into_owned();
+    // Suffixes that number no image: a copy's ("…[1]"), a resolution ("…_2000x1500"), a constant one ("…_00").
+    let mut s = stem.as_bytes().to_vec();
+    for re in [&*COPY_MARK, &*RESOLUTION, &*ZERO_SUFFIX] {
+        s = re.replace(&s, &b""[..]).into_owned();
+    }
+    // A counter in the name counts the images: the set is the text before it ("Set 008  10of63  new0464").
+    if let Some(m) = NAME_COUNTER.find(&s) {
+        return String::from_utf8_lossy(&s[..m.start()]).into_owned();
+    }
     // A camera's timestamp ("kurozo-2006-7-26-15-21"): the date and the time after it number no set.
     let s_ts = TIMESTAMP.replace(&s, &b""[..]).into_owned();
     s = s_ts;
@@ -461,7 +469,10 @@ fn trim_zeros(d: &[u8]) -> &[u8] {
 }
 
 static TIMESTAMP: LazyLock<Regex> = LazyLock::new(|| re(r"[-_. ]?(?:19|20)[0-9]{2}[-._ ](?:0?[1-9]|1[0-2])[-._ ][0-9]{1,2}(?:[-._ ][0-9]{1,2})*$"));
-static OF_TOTAL: LazyLock<Regex> = LazyLock::new(|| re(r"(?i)([0-9]+)SP*ofSP*[0-9]+"));
+static COPY_MARK: LazyLock<Regex> = LazyLock::new(|| re(r"SP*[\[(][0-9]+[\])]$"));
+static RESOLUTION: LazyLock<Regex> = LazyLock::new(|| re(r"(?i)[_-][0-9]{3,4}x[0-9]{3,4}$"));
+static ZERO_SUFFIX: LazyLock<Regex> = LazyLock::new(|| re(r"[_-]0+$"));
+static NAME_COUNTER: LazyLock<Regex> = LazyLock::new(|| re(r"(?i)([0-9]+)SP*ofSP*[0-9]+|[\[(]?SP*[0-9]+SP*/SP*[0-9]+SP*[\])]?"));
 
 fn image_prefix(stem: &str) -> String {
     let b = stem.as_bytes();
@@ -1187,6 +1198,12 @@ mod image_set_tests {
             ("108 - Schoolwall kate108lg029_28", "108 - Schoolwall kate108lg"),
             ("kurozo-2006-7-26-15-21", ""),
             ("bwp2_037_5", "bwp2_"),
+            ("Set 008  10of63  new0464", "Set 008  "),
+            ("202/430  princess-079-058", ""),
+            ("( 098 /500)  002 148", ""),
+            ("New Folder (17)  sexypattycake_0903040445[1]", "New Folder ("),
+            ("092_081_2000x1500", "092_"),
+            ("KP0027_197_00", "KP"),
             ("JimAndJoey Kindly Husband-to-Be", ""),
         ] {
             assert_eq!(image_set(stem), want, "{stem}");
diff --git a/lib/release/identity.ts b/lib/release/identity.ts
index d01c15c..3722b8c 100644
--- a/lib/release/identity.ts
+++ b/lib/release/identity.ts
@@ -146,13 +146,21 @@ const DATES = /\b(?:(?:19|20)\d{2}[-._ ](?:0?[1-9]|1[0-2])[-._ ]\d{1,2}|\d{1,2}[
  * "stp250x", "cutie-071-032" → "cutie-071-"); empty for a name without numbers. Suffixes after it that don't
  * count the images go first: a repeat of the number before (katelg010_10), a year (hgrscans1097_2009), a
  * size of 4+ digits (…_24of40_1600), and an "of" total (24of40) (LOG.md 2026-10-12 (3)); also a renumbering
- * right after it (kate108lg029_28) and a camera's timestamp (kurozo-2006-7-26-15-21) (LOG.md 2026-10-12 (5)).
+ * right after it (kate108lg029_28) and a camera's timestamp (kurozo-2006-7-26-15-21) (LOG.md 2026-10-12 (5)); a
+ * counter in the name ends the set, and copy markers, resolutions and "_00" go first (LOG.md 2026-10-12 (6)).
  */
 const TIMESTAMP = /[-_. ]?(?:19|20)\d{2}[-._ ](?:0?[1-9]|1[0-2])[-._ ]\d{1,2}(?:[-._ ]\d{1,2})*$/
 
 export function imageSet(stem: string): string {
+  // Suffixes that number no image: a copy's ("sexypattycake_0903040445[1]"), a resolution ("092_081_2000x1500"),
+  // a constant one ("KP0027_197_00").
+  const plain = stem.replace(/\s*[[(]\d+[\])]$/, '').replace(/[_-]\d{3,4}x\d{3,4}$/i, '').replace(/[_-]0+$/, '')
+  // A counter in the name counts the images: the set is the text before it ("Set 008  10of63  new0464",
+  // "202/430  princess-079-058", "( 098 /500)  002 148"; each image was a release of its own).
+  const counted = /(\d+)\s*of\s*\d+|[[(]?\s*\d+\s*\/\s*\d+\s*[\])]?/i.exec(plain)
+  if (counted) return plain.slice(0, counted.index)
   // A camera's timestamp ("kurozo-2006-7-26-15-21"): the date and the time after it number no set.
-  let s = stem.replace(/(\d+)\s*of\s*\d+/gi, '$1').replace(TIMESTAMP, '')
+  let s = plain.replace(TIMESTAMP, '')
   while (true) {
     const m = /[_-](\d+)$/.exec(s)
     if (!m) break
diff --git a/tests/unit/release/identity.spec.ts b/tests/unit/release/identity.spec.ts
index ac9ac12..d8ce05a 100644
--- a/tests/unit/release/identity.spec.ts
+++ b/tests/unit/release/identity.spec.ts
@@ -238,6 +238,12 @@ test.group('release / par2 names', () => {
       ['108 - Schoolwall kate108lg029_28', '108 - Schoolwall kate108lg'],
       ['kurozo-2006-7-26-15-21', ''],
       ['bwp2_037_5', 'bwp2_'],
+      ['Set 008  10of63  new0464', 'Set 008  '],
+      ['202/430  princess-079-058', ''],
+      ['( 098 /500)  002 148', ''],
+      ['New Folder (17)  sexypattycake_0903040445[1]', 'New Folder ('],
+      ['092_081_2000x1500', '092_'],
+      ['KP0027_197_00', 'KP'],
       ['JimAndJoey Kindly Husband-to-Be', ''],
     ]) assert.equal(imageSet(stem), set, stem)
   })