{HEAD ~ Cocking hole} 24 is made in one lower corner of {TAIL ~ mailbox door} 12, depending on which side of mailbox 10 the second configuration signal device assembly 20 is to be installed 
{ HEAD ~ Cocking hole } 24 is made in one lower corner of { TAIL ~ mailbox door } 12 , depending on which side of mailbox 10 the second configuration signal device assembly 20 is to be installed
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH TAIL 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