Alternatively, another segment intermodal freight has displayed encouraging results in the recent past and rail companies would look to clingonto this very segment to ride out the coal mess.
"The early pictures clingonto the idea of royalty in a conventional way -- the Queen with a crown and sceptre, in coronation robes, " says the exhibition's curator, Paul Moorhouse.
Perhaps Mr Cameron is still working his way down the Plaid shopping list but the prime minister faces the sort of mathematical challenges that scuppered Labour's attempt to clingonto office after the 2010 general election.