diff --git a/examples/example1_labels.json b/examples/example1_labels.json
index 4631af5..f188928 100644
--- a/examples/example1_labels.json
+++ b/examples/example1_labels.json
@@ -14,7 +14,8 @@
                 "width": 56.0, 
                 "y": 119.0, 
                 "x": 636.0, 
-                "class": "Face"
+                "class": "Face",
+                "unconfirmed": "true"
             }
         ], 
         "filename": "image1.jpg"
@@ -25,7 +26,8 @@
             {
                 "y": 155.0, 
                 "x": 409.0, 
-                "class": "mouth"
+                "class": "mouth",
+                "unconfirmed": "true"
             }
         ], 
         "filename": "image2.jpg",
diff --git a/sloth/annotations/model.py b/sloth/annotations/model.py
index 3a4fa29..58b98cb 100644
--- a/sloth/annotations/model.py
+++ b/sloth/annotations/model.py
@@ -33,7 +33,9 @@ class ModelItem:
         if role == Qt.DisplayRole:
             return ""
         if role == Qt.BackgroundRole:
-            return self.getColor()
+            c = self.getColor()
+            if c is not None:
+                return QBrush(c)
         if role == ItemRole:
             return self
         else:
@@ -194,7 +196,7 @@ class KeyValueModelItem(ModelItem, MutableMapping):
         ModelItem.__init__(self)
         self._dict   = {}
         self._items  = {}
-        self._hidden = hidden + [None, 'class', 'unlabeled']
+        self._hidden = hidden + [None, 'class', 'unlabeled', 'unconfirmed']
         # dummy key/value so that pyqt does not convert the dict
         # into a QVariantMap while communicating with the Views
         self._dict[None] = None
@@ -253,6 +255,9 @@ class KeyValueModelItem(ModelItem, MutableMapping):
     def isUnlabeled(self):
         return 'unlabeled' in self._dict and self._dict['unlabeled']
 
+    def isUnconfirmed(self):
+        return 'unconfirmed' in self._dict and self._dict['unconfirmed']
+
 class FileModelItem(KeyValueModelItem):
     def __init__(self, fileinfo, hidden=['filename']):
         KeyValueModelItem.__init__(self, hidden=hidden, properties=fileinfo)
@@ -267,7 +272,7 @@ class FileModelItem(KeyValueModelItem):
 
     def getColor(self):
         if self.isUnlabeled():
-            return QBrush(Qt.red)
+            return Qt.red
         return None
 
     @staticmethod
@@ -343,7 +348,7 @@ class FrameModelItem(ImageModelItem, KeyValueModelItem):
 
     def getColor(self):
         if self.isUnlabeled():
-            return QBrush(Qt.red)
+            return Qt.red
         return None
 
     def getAnnotations(self):
@@ -364,12 +369,19 @@ class AnnotationModelItem(KeyValueModelItem):
         if role == Qt.DisplayRole:
             if column == 0:
                 return self['class']
+            elif column == 1 and self.isUnconfirmed():
+                return '[unconfirmed]'
             else:
                 return ""
         elif role == DataRole:
             return self._annotation
         return ModelItem.data(self, role, column)
 
+    def getColor(self):
+        if self.isUnconfirmed():
+            return Qt.red
+        return None
+
 class KeyValueRowModelItem(ModelItem):
     def __init__(self, key):
         ModelItem.__init__(self)
diff --git a/sloth/items/items.py b/sloth/items/items.py
index eaa835d..bab6e9c 100644
--- a/sloth/items/items.py
+++ b/sloth/items/items.py
@@ -22,7 +22,12 @@ class BaseItem(QAbstractGraphicsShapeItem):
                       QGraphicsItem.ItemIsMovable | \
                       QGraphicsItem.ItemSendsGeometryChanges | \
                       QGraphicsItem.ItemSendsScenePositionChanges)
-        self.setColor(Qt.yellow)
+        if model_item is not None:
+            c = model_item.getColor()
+            if c is not None:
+                self.setColor(c)
+            else:
+                self.setColor(Qt.yellow)
 
         self._model_item = model_item