help on this 1850 old item

[Xenomorph]

hi  i got here an old filter from arround 1850.
does someone know were i can sell it or does anynone know something more about is, anyway every help is welcome.
you can see the pic i added. or if the pic doesnt work  click this link  http://www.kapaza.be/detail/610508
if someone knows more about this item or can help me selling it  please mail me
patrick.noiron@pandora.be
Many thanks on advance
patrick.