The most common and most likely answer to this crossword clue is the 9 letter word QUOTATION
I've seen this crossword clue in The Times
Q
U
O
T
A
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N
More clues leading to the result QUOTATION
- Estimated cost of passage from St Paul, perhaps?
- Estimated cost of passage taken
- Extract estimate of cost
- Too quaint novel reference
- Tender / words apt to be repeated
- Tender words
- Purchaser might receive this short piece of music
- ‘Too quaint’ possibly identifies this
- State price for extract
- Extract estimate of cost
Buddy explains!

The straight part
We know that "Estimated cost" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case estimated cost = quotation.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.
What does QUOTATION mean?
QUOTATION noun- A fragment of a human expression that is repeated by somebody else. Most often a quotation is taken from literature or speech, but also scenes from a movie, elements of a painting, a passage of music, etc., may be quoted.
- A price that has been quoted for buying or selling.
- The act of setting a price.
- A quota, a share.