If we were talking about safe queens, then I would say hold out for a better example. But we are talking about a former Law Enforcement firearm - it was used, it has character, it does not look to have been abused. If it is mechanically solid, and offered for sale in my area, I would likely own it if it were priced at $700 or less.

I think that you would be money ahead to just shoot it, clean it, and enjoy it as-is. Most refinish jobs are only to appease the current owner and usually do not raise the value of the gun all that much.

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On the Oak Savannah