you open BOTH compartments to show the coin has actually disappeared completely

Vanishing Rose - A rose blossom visibly vanishes right at the performer's fingertips

As someone else said

The magician displays a yellow shoelace

Omen | Chris Congreave - (DVD) under-25 you open BOTH compartments toChris Congreave's Omen is a self working powerhouse of playing card mentalism with three jaw dropping moments of magic. Omen is perfect to perform on 1 2 spectators. Two Person Presentation Two spectators are invited to take part in your demonstration of the strange! Spectator number one names any playing card (let's say they name the 9 of Spades). They are told to keep that card in their mind. A second spectator is asked to freely cut a deck (which