The devil is in the details for collector insurance, there is a big difference between agreed value and stated value, you want agreed value.
Both Hagerty and Grundy have good reps, in the collector classic car world, you present a legit claim and they pay.
Ask about the usage restrictions and garaging requirements, some minor details will be different from State to State.
One company I talked to require locked garage even on the road they were geared to trailer queens.
