In my collection I have various tube maps with the oldest dated 1969
(https://www.actbus.net/forum/proxy.php?request=http%3A%2F%2Ffarm9.staticflickr.com%2F8455%2F7898948708_6c437d43b8_c.jpg&hash=32a5a52f0f17f00dbf77b973c343c628316bc019)
(https://www.actbus.net/forum/proxy.php?request=http%3A%2F%2Ffarm9.staticflickr.com%2F8319%2F7898950238_ea6a9f577d_c.jpg&hash=710554c1672d14154cbe2ab127ff3b46d87cc024)
As normal they can be seen larger here http://www.flickr.com/photos/lukeorourke/sets/72157626644494887/detail/ (http://www.flickr.com/photos/lukeorourke/sets/72157626644494887/detail/)