Mi = Booklet pane of 4 Flag: 1 x 1¢ (1166D untagged) + 2 x 5¢ (1167D untagged) + 1 x 39¢ (1168D tagged on each side), (MH120D).
Sn = Booklet pane of 4 Flag: 1 x 1¢ (1184 untagged) + 2 x 5¢ (1185 untagged) + 1 x 39¢ (1189 tagged on each side), (BK111).