MTA issued many different test metrocards for internal use. Some of them resembles actual metrocards with blue or gold color back. Some of them are totally white and some have images on them.

Here are images of test metrocards.

On this image there is no trade mark SM yet.

Test Blue Front 1993

Test Blue Back 1993

Test Blue Front 1998

Test Blue Back 1998

Test cards with black & white images (all cards have light blue front, just like above):

Test Blue Bus

Test Blue Turnstyles

Test Blue Skyline

Test Blue A Train

White test metrocards have all the same front look:

Test White Front

Backs of those white test cards are different in layouts and fonts.

Test White Back 1995

Test White Back 1996 1st version

Test White Back 1996 2nd version

Test White Back 2000

Gray back test cards. One of them has nothing on front and just expiration date and number on back.

Test Gray Front 2005

Test Gray Back 2005

Test Gray Front 2007

Test Gray Back 2007

Here are 2 more test cards used by Cubic Transportation Company employees for testing. Those 2 cards are very unusual: they are of different colors – blue and bright yellow and yellow card does not have punch hole.

Test Cubic Blue Front

Test Cubic Blue Back

Test Cubic Yellow Front

Test Cubic Yellow Back