I have an 1886 antique singer sewing machine with cabinet and 4 drawers it has no letter prefix . Great condition, all original parts, would like to know what its worth. Thank you

Look through here, very nice:
Singer sewing machines (http://website.lineone.net/~lindave/singer.htm)
Still looking for Value
http://www.sewalot.com/dating_singer_sewing_machine_by_serial_number.htm

These may help determine what it is worth:
http://www.antiqueshopsa2z.com/
http://www.antiquecollectiblestore.com/
http://www.magicyellow.com/category/Antique_Dealers/Cities.html

Hi, Tempist!

Has it been in your family a long time? Or, is it something that you obtained outside of your family, please?

Thanks!