The Iowa Certificate of Designation, Preferences, and Rights of Series A Junior Cumulative Preference Stock of Onyx Energy Company is a legal document that outlines the specific terms and conditions associated with the Series A junior cumulative preference stock issued by Onyx Energy Company in the state of Iowa. This document provides crucial information regarding the preferences and rights granted to holders of this particular class of stock, as well as the designated criteria and requirements necessary for its issuance. As for the different types of Iowa Certificate of Designation, Preferences, and Rights of Series A Junior Cumulative Preference Stock of Onyx Energy Company, there may be variations based on specific series or tranches within the stock offerings. Onyx Energy Company may issue multiple series of the junior cumulative preference stock, each distinguished by a different designation and associated preferences and rights. These series could be differentiated by a sequential numbering system or lettering scheme. However, without further specific information or an official list from Onyx Energy Company, it is challenging to provide detailed names for each potential variant. Keywords: Iowa, Certificate of Designation, Preferences, Rights, Series A, Junior Cumulative Preference Stock, Onyx Energy Company, types, variations