Index: stamper/stamper.py
===================================================================
--- stamper/stamper.py	(revision 8)
+++ stamper/stamper.py	(revision 9)
@@ -148,2 +148,29 @@
             totals[day] = str(timedelta(seconds=totals[day]))
         return details, totals
+
+    def show_stamps(self, customer=None, stamp_filter=None, verbose=False):
+        if stamp_filter:
+            stamp_filter = self.validate_filter(stamp_filter)
+
+        totals = self.totals(stamp_filter)
+
+        if customer:
+            total = timedelta(seconds=totals.get(customer, 0))
+            print(' %(customer)s: %(total)s' % {'customer': customer,
+                                                'total': total})
+        else:
+            for c in totals:
+                total = timedelta(seconds=totals[c])
+                print(' %(customer)s: %(total)s' % {'customer': c,
+                                                    'total': total})
+
+        if verbose:
+            if customer:
+                details, totals = self.details_by_customer(customer)
+            else:
+                details, totals = self.details()
+            for day in details:
+                print('------ %(day)s ------' % {'day': day})
+                for line in details[day]:
+                    print(line)
+                print(' Total: %(total)s' % {'total': totals[day]})