diff --git a/plugins/org.eclipse.ocl.pivot/.settings/.api_filters b/plugins/org.eclipse.ocl.pivot/.settings/.api_filters
index d825df4..8d8593a 100644
--- a/plugins/org.eclipse.ocl.pivot/.settings/.api_filters
+++ b/plugins/org.eclipse.ocl.pivot/.settings/.api_filters
@@ -5834,6 +5834,14 @@
             </message_arguments>
         </filter>
     </resource>
+    <resource path="src/org/eclipse/ocl/pivot/utilities/ToStringVisitor.java" type="org.eclipse.ocl.pivot.utilities.ToStringVisitor">
+        <filter id="336658481">
+            <message_arguments>
+                <message_argument value="org.eclipse.ocl.pivot.utilities.ToStringVisitor"/>
+                <message_argument value="SHOW_ALL_MULTIPLICITIES"/>
+            </message_arguments>
+        </filter>
+    </resource>
     <resource path="src/org/eclipse/ocl/pivot/values/BagValue.java" type="org.eclipse.ocl.pivot.values.BagValue$Accumulator">
         <filter comment="Bug 512402 workaround" id="576720909">
             <message_arguments>
diff --git a/plugins/org.eclipse.ocl.pivot/src/org/eclipse/ocl/pivot/utilities/ToStringVisitor.java b/plugins/org.eclipse.ocl.pivot/src/org/eclipse/ocl/pivot/utilities/ToStringVisitor.java
index 9b3215a..9f43356 100644
--- a/plugins/org.eclipse.ocl.pivot/src/org/eclipse/ocl/pivot/utilities/ToStringVisitor.java
+++ b/plugins/org.eclipse.ocl.pivot/src/org/eclipse/ocl/pivot/utilities/ToStringVisitor.java
@@ -114,6 +114,12 @@
  */
 public class ToStringVisitor extends AbstractExtendingVisitor<@Nullable String, @NonNull StringBuilder>
 {
+	/**
+	 * Set this value true to avoid default multiplicities bing hidden.
+	 * @since 1.3
+	 */
+	public static boolean SHOW_ALL_MULTIPLICITIES = false;
+
 	private static final Logger logger = Logger.getLogger(ToStringVisitor.class);
 
 	public static interface Factory {
@@ -371,7 +377,7 @@
 				Number upper = collectionType.getUpper();
 				long lowerValue = lower != null ? lower.longValue() : 0l;		// FIXME Handle BigInteger
 				long upperValue = (upper != null) && !(upper instanceof Unlimited) ? upper.longValue() : -1l;
-				if ((lowerValue != 0) || (upperValue != -1) || !collectionType.isIsNullFree()) {
+				if (SHOW_ALL_MULTIPLICITIES || (lowerValue != 0) || (upperValue != -1) || !collectionType.isIsNullFree()) {
 					StringUtil.appendMultiplicity(context, lowerValue, upperValue, collectionType.isIsNullFree());
 				}
 			}