An Ovation Model 112 is called a Ballader. These are USA made guitars.Value would depend on condition, but I've seen them sell on the used marker for $400.
That is a model number you have quoted1 - Ovation1- Acoustic roundback and hollowbody electric1- Standard bowl1- Balladeer modeland -1 is a colour codeYour serial number will probably be a letter followed by 3 to 6 digits eg "E3689"