I read in skycrapercity.com in an article by Honesto General that former Senator Vicente Madrigal used to rent a room here for his staff. Provident Insurance Corporation - one of the first Filipino-owned insurance companies (now is Spanish-owned Mapfre Insular Insurance) -opened here in 1934. Many other insurance companies made this their headquarters when this area was still the main financial district of Manila. It now houses several freight forwarding companies.
Sorry, no idea why it is called Regina. Coincidentally, it stands practically along an estero - estuary - called Estero de la Reina. Regina = Reina. Just playing with the possibilities here.
Detail. Repetitive design in between posts.
Detail. The warm Sunday sun bathes the external ground floor hallways.