Rex and Jeanne Sinquefield, the wealthy duo who are among the state’s most prominent political donors, have apparently made a choice for president: Wisconsin Gov. Scott Walker.

The couple is hosting a fundraising event for Walker on July 26 at their St. Louis home in the Central West End. (They also have an estate near Lake of the Ozarks.) Depending on the category of ticket, prices range from $500 a person to $10,800 a couple.

The cohosts include St. Louis businessman Dave Spence (the GOP nominee for governor in 2012); Lt. Gov. Peter Kinder (who’s running for governor in 2016); U.S. Rep. Blaine Luetkemeyer, R-St. Elizabeth; former U.S. Sen. Jim Talent and his wife, Brenda Talent, who heads the Show-Me Institute, which is partially funded by Sinquefield.

Walker had been the preferred choice of the state GOP's executive board at last winter's Lincoln Days. Since then, national press reports have indicated that Walker is doing well in Iowa, which holds the first presidential caucuses in 2016 and where most of the candidates first appeal for voters’ support.

Several area Republican donors and activists already are aligned with some of Walker’s rivals, most notably former Florida Gov. Jeb Bush and U.S. Sen. Ted Cruz of Texas.