Possible Clues:

• A foursome getting together in order to secure a new Asian currency
• A quartet of neighbouring characters welcoming an Asian
• Currency of country almost strangled by the Mob, borders cut off
• Opium farmer, often
• Asian for A ... F, G, H, I ...
• Hound one for money
• Ah, Fagin converted foreign money
• HF again used for broadcast: Kabul’s ready
• Native of five across
• It's as if Ghana made new language