Set of 2 books: "Showa Sumo" and "Grand Sumo"

Published in Showa 43 (1968)
Sumo
Special Feature: Yokozuna Taiho's 27th Championship
Grand Sumo Tournament
Published in Showa 56 (1981)
Special Feature: Yokozuna Kitanoumi's 22nd Championship
The covers have some damage, but the contents are in reasonably good condition.
A very valuable set of 2 books.
Offered at a great price, thank you for your consideration.