1950 merc rear axle seal

need to get the old rear axle front seal out.what is the best method to take out seal.Seal is in flush with front of housing and can't really get behind it to pop it out.

:banghead: need to get the old rear axle front seal out.what is the best method to take out seal.Seal is in flush with front of housing and can't really get behind it to pop it out.
Well I got it out caveman stile.Long pry bar........