diff --git a/src/app/(app)/orders/page.tsx b/src/app/(app)/orders/page.tsx
index 44b6fe0..b321ff6 100644
--- a/src/app/(app)/orders/page.tsx
+++ b/src/app/(app)/orders/page.tsx
@@ -755,6 +755,50 @@ function OrderCard({
                   {order.potential_delivery_note_number}
                 </span>
               )}
+              {/* Order-number-duplicate pill — set by
+                  suggestOrderNumberDuplicate when another order (any
+                  status, no time limit) shares this exact order_number.
+                  Red — this is the one most likely to indicate an
+                  actual accident (a repeated internal ORD- number, or
+                  an operator not realizing a PO was already entered),
+                  as opposed to the item-duplicate pill below which is
+                  routinely legitimate (split PO deliveries). */}
+              {order.order_number_duplicate && (
+                <span
+                  title="Another order already uses this exact order number"
+                  className="inline-flex items-center gap-1 rounded-full px-2 py-0.5 text-xs font-medium"
+                  style={{
+                    background: "rgba(239, 68, 68, 0.10)",
+                    color: "#ef4444",
+                    boxShadow: "inset 0 0 0 1px rgba(239, 68, 68, 0.30)",
+                  }}
+                  aria-label="Duplicate order number"
+                >
+                  Dup #
+                </span>
+              )}
+              {/* Item-duplicate pill — set by suggestOrderDuplicate when
+                  this order's line items exactly match another order
+                  for the same company within the last 60 days,
+                  regardless of status. Amber, distinct from the DN
+                  pill's blue (a repeat ORDER, not a repeat DELIVERY)
+                  and from the order-number pill's red (this one is
+                  routinely legitimate — a customer re-ordering the
+                  same basket — not necessarily a mistake). */}
+              {order.potential_duplicate_order_number && (
+                <span
+                  title={`Same items as order ${order.potential_duplicate_order_number} (same company, last 60 days)`}
+                  className="inline-flex items-center gap-1 rounded-full px-2 py-0.5 text-xs font-medium"
+                  style={{
+                    background: "rgba(245, 158, 11, 0.10)",
+                    color: "#f59e0b",
+                    boxShadow: "inset 0 0 0 1px rgba(245, 158, 11, 0.30)",
+                  }}
+                  aria-label={`Duplicate of order ${order.potential_duplicate_order_number}`}
+                >
+                  Dup of {order.potential_duplicate_order_number}
+                </span>
+              )}
               {complete && <CompleteBadge />}
               <span className="text-muted-foreground">·</span>
               <span className="truncate">