What is a reasonable price to pay for a PCGS AU58 1879 S Sovereign?

Exbrit

Any information on the real value of a 1879 S sovereign St. George reverse Victoria young head will be appreciated.

This is a rare sovereign.

Thanks

mnemtsas2

You can buy this one for $1800:

PCGS AU58

Australian catalogue value is AU$3600. Who knows what a fair price is.

Exbrit

PM sent