A mailbox signal device for {HEAD ~ use} in {TAIL ~ combination} with rural type mailboxes which are configured with a door having a rearwardly extending flange; or, a door protected by a forwardly protruding hood 
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A mailbox signal device for { HEAD ~ use } in { TAIL ~ combination } with rural type mailboxes which are configured with a door having a rearwardly extending flange ; or , a door protected by a forwardly protruding hood
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH