Dining Out, Flatiron District, Gramercy/Flatiron, Manhattan, Quick PostKerry Alaric CheeseboroDecember 17, 2013beef, bread, brisket, brown, brown mustard, celebrities, chicken, chicken liver, chopped, chopped liver, classic, diner, Dining Out, egg cream, Eisenbergs, Flatiron, Flatiron District, Gramercy, Gramercy/Flatiron, institution, liver, mustard, old school, Quick Post, rye, sandwich, shop, vanillaComment Sammy Old School EISENBERG'S SANDWICH SHOP | 174 5th Ave. | 212.675.5096 | eisenbergsnyc.com Dining Out, Flatiron District, Gramercy/Flatiron, Manhattan, Quick PostKerry Alaric CheeseboroDecember 17, 2013beef, bread, brisket, brown, brown mustard, celebrities, chicken, chicken liver, chopped, chopped liver, classic, diner, Dining Out, egg cream, Eisenbergs, Flatiron, Flatiron District, Gramercy, Gramercy/Flatiron, institution, liver, mustard, old school, Quick Post, rye, sandwich, shop, vanillaComment