Keywords: Philly Stock Exchange.JPG 82003812 en Old Philadelphia Stock Exchange building now the exchange is closed or part of NASDAQ On NRHP since August 31 1982 At 1409 “1411 Walnut Street in the Rittenhouse Square East neighborhood of Center City Horace Trumbauer architect Own Smallbones 2010-02-22 39 56 58 5 N 75 9 54 W Philadelphia Stock Exchange Walnut Street Philadelphia |