This Garmin Bluechart MUS021R Chartplotter Data Card has been lightly used, remaining in excellent condition.  There are numerous photos showing its details and condition.

MUS021R Covers:
Point Arena to Puerto Vallarta, including Mendocino, San Francisco Bay, Channel Islands, San Diego, and the Baja Peninsula. General coverage for the Mexican coast, including Mazatlan, Acapulco and Salina Cruz.
Garmin Number MUS021R, covering the seas and coasts of California and Mexico. It is the the small, modern type, measuring about 1 1/2" X 3/4". Has the sliding pullout finger tab to make removal easy.
Card was intended to be used in a Garmin GPSMAP 188c, and will fit many other Garmin chartplotter models.  (see below)   Card remains in excellent condition.  There is compatability chart below.

A great card of a GREAT CRUISING DESTINATION, offered with a very....Low Starting Bid.

Compatible with the following Garmin units-
COMPATIBLE GARMIN GPS MODELS
GPSMAP 172, 172C, 176, 176C, 178, 178C, 182, 182C, 188, 188C, 192C, 196, 198C, 2006, 2006C, 2010, 2010C, 232, 238, 276C, 292, 296, 298, 3005C, 3006C, 3010C, 376C, 378, 396, 478 and STREETPILOT III