The most common and most likely answer to this crossword clue is the 6 letter word GUINEA
I've seen this crossword clue in The Sunday Telegraph
G
U
I
N
E
A
More clues leading to the result GUINEA
- Only partially sanguine about money
- Country in the money?
- Old money of West Africa
- Did this fowl lay golden eggs?
- New Age gathering united in country
- African country ready once?
- Some old capital in African country
- Twenty-one shillings for African country
- Land in old money?
- Country that’s worth more than a pound?
Buddy explains!

The straight part
We know that "Land/old money" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case land/old money = guinea.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 GUINEA mean?
GUINEA noun- A person of Italian descent.
- A gold coin originally worth twenty shillings; later (from 1717 until the adoption of decimal currency) standardised at a value of twenty-one shillings.
- Any of several African birds of the family Numididae (6 species) resembling partridges.