The Geneva Bible, which dates back to 1615, sold for almost twice the estimate.
The Foreign Secretary met with political parties and businesses in Northern Ireland on Wednesday.
Northern Ireland’s political leaders have been reacting to the news that the former chancellor is to be the next PM.
The move comes amid an ongoing impasse between Stormont politicians on the issue.
Chris Heaton-Harris said politicians in Northern Ireland have choices they can make to stop an election being called.
Mary-Lou McDonald said if devolution collapses it will be replaced by a joint arrangement between the Irish and the British state.