Used stamp book pane, complete set of 2 types: 100-yen Pine and 300-yen Miroku. (100-yen Pine) Machine cancellation and comb-type cancellation, Sendai Central, April 30, 1976. (300-yen Miroku) Comb-type cancellation, Kitami Aoba, September 21, 1976. The 300-yen pane has some minor staining, but overall in good condition (see image).