The most common and most likely answer to this crossword clue is the 3 plus 6 letter word TOP DOLLAR
I've seen this crossword clue in The Times
T
O
P
D
O
L
L
A
R
More clues leading to the result TOP DOLLAR
- Two toys are nearly maximum price
- . On return fund child’s toy, after resistance initially, finding price the highest
- Parking in toll road involved a lot of money
- Negotiate drop: a toll a high price to pay
- Sailor accepting work, figure a good wage?
- An arm and a leg work on puppet covered in sticky substance
- Much to pay towards standard packaging figure
Buddy explains!

The straight part
We know that "maximum price" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case maximum price = top dollar.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.