Ceramic Citi Advertising Mug
Printed on one side: "citi" - blue font with red "umbrella" 
Glossy off white/cream background with dark blue and red logo and dark blue on bottom and top rims
Capacity: 12 Fl Oz 
Approximate size: 4" H x 3.5" W (at top)
Weight: 13.2 oz
Exact age is unknown but it is sometime after 1998
Designer of this logo was Paula Scher who drew the design on a napkin in a ten minute meeting in 1998 and that became the new logo for the merger of Citicorp (Citigroup) and Travelers Group