under the name and style of HART A PURCELL, So. 74 Broadway. We will bo prepared to bur and sell Exchange— j both Foreign and Domestic, jßaajk Notes.'(Jold and j Silver Coins : buy and sell Gold and Stocks on mar- 1 gins, and also make Negotiation* and Loans on sa- j tisfaistory securities. With an experience of twenty-five years, and with the patronage of our people during that pe