And where?

Lines close at 11.30am.

UPDATE:
Yes, it’s Dublin’s original Custom House, by Thomas Burgh [click to enlarge], on Essex Quay and built in 1707. It was pulled down in 1781 as ‘unsafe’ to make way for Gandon’s version.

Anyone?

Lines close at 2pm

Thanks Sibling of Daedalus

UPDATE:
Yes, it’s O’Connell Bridge under construction.c 1880 via Dublin City Public Libraries archive.