ever had a piggy bank?

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I'm really used to having a piggy bank ever since i was a child (it usually is not in a figure of a pig). I always have that. And it shouldnt be opened until it's full. Once it's full and opened, then i start a new one. I'm really fond of saving in my coin bank back then. Up until noe, i'm still fond of saving keeping coins. i keep only those coins which are in the highest denomination. I keep it but not in a piggy or coin bank anymore, so that i could get it anytime. But i just use it only in times of emergency or for example i need coins and i dont have any...