MINI Miniature PenFirst offered in the MINI MotoringGear Fall/Winter 2002 catalog, we have the MINI Miniature Pen. In addition to the yellow pen shown, there was also a red version with white MINI logo. From the MotoringGear catalog:

MINI MINIATURE PEN

Ballpoint pen with unique writing function and compact size.

Yellow 99 00 0 003 151
Red     99 00 0 003 191

$1.50

The MINI Miniature Pen was available from the end of 2002 until 2003.