Originally Posted by Finn
To clarify: The tie is first seen at the beginning of the Venice sequence, but by that time he's not wearing the leather jacket but a full suit, so it kinda makes sense. He then wears the jacket + tie combo all the way throughout the castle and zeppelin bits. The last time he's seen wearing it is on the beach when Henry enlists the aid of seagulls to destroy the chasing plane. He loses the tie once they join Sallah in Hatay.
But he is not wearing the same tie all that time. In Venice he wears a tie in bordeaux color and then a black one.