A question on this JLC Reverso model

[youthagainsttt]

Am considering a reverso again, after buying a grande calendar before but sold it as it was humungous on my wrist. Now down to the green reverso small seconds (with the waiting list) & also came across the reverso shown in the pics below, but no box or papers. The shop owner said this was around 10 years old but after some digging, I believe this watch could be even 20 years olf & with no service papers, I really need to think again.
So can anyone help with identifying the year range with this iteration of the Sun Moon Reverso?

And is a price of USD9,200 fair with no no box/papers & potentially 20 years old watch? Although it is a great looking gold reverso which looks in v good condition vs. The green new reverso. Which one would you get?