Change for Good - donating multi-currency change
I am moving away from HK but have a large amount of change from years of traveling across Asia. What is the best way to get rid of it at HKIA? Do check-in agents accept "Change for Good"? I could fill about a dozen change for good envelopes. Is seems silly to fly heavy change on a long haul flight for CX to fly it back to HK. That just uses a bunch of fuel.