What is the age of a Lefever Arms Co shotgun?

Lefever arms company made shotguns from 1885-1916. After that Ithaca acquired the Lefever name. The Ithaca ones are generaly worth less. But I need more info from you. Serial # and other markings???  

answer

Can you give more info?? Any and all numbers and letters on water table. (flat area on receiver when the breech is open)
Does it say "Lefever arms company" , "Lefever, D.M & Son" or "Ithaca" antwhere?
yes lefever arms co. sn 47782 barrel no. 65955 patent no. 1872, 78, 80, 85, 86, 87
it says lefever arms company serial number 47782 barrel num. 65955