This card was sponsored by citysearch.com which at the time was selling metrocards online from their website. It had very low circulation of just 10,000. Citysearch also published advertisement on postcard
EAB branch in the Bronx sponsored this metrocard with circulation of 100,000. Location of the branch was at Southern Blvd and 172nd street. Card has 3 images of baseball, bear and flower and is in English and Spanish. Those pictures are description of the Bronx as a home of Yankees baseball team, Bronx Zoo and New York Botanical Garden. This bank does not exist any more.
Subway cool set has been made of 6 metrocards featuring interesting facts and images about NYC subway system. All cards were initially sold separately. In the end MTA issued collectors set in plastic folder with all 6 cards in it and each card encoded with $6 to ride 4 times (at the time price of a ride was $1.5). Here are images of that set: 1, 2, and 3.
All cards had circulation of 50,000. Number of sets issued for collectors is unknown. Each card has many images on it and each displayed stats in the center of the card.
Set has been sponsored by citysearch.com which at the time was selling metrocards on its website.
Continental airlines sponsored all together 12 metrocards over the span of 3 years. All cards have dark blue background with stylized globe on the left and golden coloured name of the company: Continental Airlines. Each card has been sold separately and has many different expiration dates. All cards in 1999 had circulation of 100,000.