Lindeman Island is an island in the Lindeman Group of the Whitsunday Islands off the coast of Queensland,  named by Captain Bedwell after his sub-lieutenant, George Sidney Lindeman, whilst aboard the Royal Navy vessel HMS Virago.  And this card is a fine example of a special type of postcard that is intended to be folded in half like a greeting card.  Mailed most likely in the 1970s, it measures 4″ x 8-1/8″ when fully extended; stamp and postmark are there.  Grade: 1