At the price of 1575 yen (approximately $ 21,50) customers of Konami Style Japan can pre order a Metal Gear 25th Anniversary themed calendar for the year 2013.
It will feature illustrations by Yoji Shinkawa, and has roughly the size of a postcard. On the sample pages you can see a characters from the series on each page, accompanied by one of his or her most famous quotes (click the picture to enlarge).
The calendar will be released on December 17 2012.
Source: Konami Style Japan