diff --git a/src/app/(app)/orders/page.tsx b/src/app/(app)/orders/page.tsx
index 38d83f4..44b6fe0 100644
--- a/src/app/(app)/orders/page.tsx
+++ b/src/app/(app)/orders/page.tsx
@@ -733,6 +733,28 @@ function OrderCard({
                   Suggested
                 </span>
               )}
+              {/* Repeat-order pill — set by suggestDeliveryNoteForOrder
+                  when this order's items exactly match a past
+                  delivery note for the same company. Reads the
+                  denormalized number field (no `expand` needed, see
+                  orders-service.ts:253). Blue, distinct from the
+                  quote pills' amber/teal — a different kind of fact
+                  (a repeat-order observation, not a provenance link). */}
+              {order.potential_delivery_note_number && (
+                <span
+                  title={`Matches delivery note ${order.potential_delivery_note_number} — likely a repeat order`}
+                  className="inline-flex items-center gap-1 rounded-full px-2 py-0.5 text-xs font-medium"
+                  style={{
+                    background: "rgba(59, 130, 246, 0.10)",
+                    color: "#3b82f6",
+                    boxShadow: "inset 0 0 0 1px rgba(59, 130, 246, 0.30)",
+                  }}
+                  aria-label={`Matches delivery note ${order.potential_delivery_note_number}`}
+                >
+                  <Truck className="h-3 w-3" />
+                  {order.potential_delivery_note_number}
+                </span>
+              )}
               {complete && <CompleteBadge />}
               <span className="text-muted-foreground">·</span>
               <span className="truncate">
diff --git a/src/lib/types.ts b/src/lib/types.ts
index 495e249..c2639f3 100644
--- a/src/lib/types.ts
+++ b/src/lib/types.ts
@@ -655,6 +655,20 @@ export interface Order extends BaseRecord {
   quote_match_confidence: number;
   potential_quote: string;
   potential_quote_confidence: number;
+  /**
+   * Repeat-order detection — relation to a past delivery note whose
+   * items exactly matched this order's. Set by
+   * suggestDeliveryNoteForOrder at intake (see
+   * order-delivery-note-link-service.ts). Visibility only — a wrong
+   * flag costs nothing; the operator just ignores the pill.
+   */
+  potential_delivery_note?: string;
+  /** Denormalized copy of the matched DN's delivery_note_number.
+   *  Written alongside potential_delivery_note so the list pill can
+   *  render the number without a second `expand` (see
+   *  orders-service.ts:253). delivery_note_number is immutable once
+   *  assigned, so copying carries no staleness risk. */
+  potential_delivery_note_number?: string;
   is_repair_order: boolean;
   /**
    * Sales rep handling this order. Free-text — auto-populated from the