It means that the ring is made of some less expensive material (usually brass or copper) but has a thin layer of 14 karat gold on the surface.
GE stands for "gold electroplate" - a gold that has been electrolytically deposited on a base metal. By Federal standards, in order to be called gold electroplate (or G.E.), the gold must be at least 7 mils (millionths of an inch) of an inch thick and of a fineness of 10K or better.
ESPO is the signature of the Esposito Jewelry Company. Signature was first used in the 1950's. The marking ESPO or also found as ESPO-FLEX are the marks of Esposito Jewelry, Inc., a costume jewelry company located in Providence.
Tip! The Moneychanger shares Ten Commandments for Buying Gold and Silver.