Ancient Coin reveals Supports position

Since coins drop when you are in a certain range of an ally, they reveal you while you stand in bushes/away from vision or while being invisible (rip teemo support). This make suprise engages or gank nearly impossible, i propose for a fix to make newly generated coins invisible if the enemy don't have vision of you (but can be abused) or to make them spawn invisible until the ennemy has vision of you (encourage bush warding). Even if you don't roam at all (coins isn't very efficient on roamers), revealing your position is quite a big issue for later on plays.

thank you for your attention