The basho guide mags, put out by Sumo Association every basho, are some of the most collectible memorabilia in sumo.
They are simply beautiful photographic works of art.
Yusho champ Terunofuji feature
Retired Tochiozan feature
Make it yours
$20 USD plus $7.00 to ship by airmail worldwide
NOTE: There are a lot more pages and photos and information in English (and Japanese, then what is show here)