AN AGREEMENT to support, maintain and renovate the Manamat Al Gosaibi historic house has been signed between Gulf International Bank (GIB) and the Shaikh Ebrahim bin Mohammed Al Khalifa Centre for Culture and Research.A signing ceremony was held at the Manama home of Saudi-born luminary, author and statesman Dr Ghazi Al Gosaibi, in the presence of GIB shareholders and members of the Al Gosaibi family .