I grade Lefevers are both old and scarce, and I grades with ejectors are even more scarce. Not that many survive in nice condition because they were field grade working man's guns that were typically used hard. And probably the biggest weakness of Lefevers is the relatively fragile wood above and below the sideplates where it meets the action. Many are seen with cracked or missing splinters of wood in these areas. All the more reason to stick with low pressure low recoil loads in it.
Please see post 'Buying an Ideal' as in Manufrance from StEtienne. It is very elegant shotgun similar in appearance to very expensive round actioned guns from Scotland.
