(1) The existence of anything that may reasonably be construed as an acknowledgement of a wager is evidence of the existence of a wager and an undertaking to pay a sum of money to the holder of the thing on the happening or performance of an event or contingency.
(2) A person in possession of a thing construed as an acknowledgement of a wager is presumed to be the holder of it.
(3) It is not necessary to prove that the wager being acknowledged relates to any particular event or contingency.