Related Clues:

• Cost of entry
• First of four giant syllables?
• Sum payable to, say, barrister
• Money paid for professional services
• Payment to a professional for services
• Sum payable to professional person for services
• Charge for professional services
• Just a little 23 down of this for a sucker is what one has to pay
• A drink might make one cough, by the sound of it, at the price
• C of this you pay for a drink
• One may drink the C of this, but have to pay for it
• After the sound of a cough this is what you have to pay for a drink
• It's green to get around 13 across
• Entry payment
• One may be hidden