Set of 6 stamp cards (PHQ cards) showing the following ships.
1st class - RMS Queen Mary 2
'E' rate (40p) - SS Canberra
42p - RSM Queen Mary
47p - RMS Mauretania
57p - SS City of New York
68p - PS Great Western

The image shows the publicity pictures of the stamps. The card showing the Canberra shows the stamp with a face value of 38p and this value is also shown on the MS card.