These look both British and Canadian to me, but the same boots were sold as legit Canadian ammo boots in the Netherlands, so I would like your opinion.

1943 dated Canadian ammo boots?1943 dated Canadian ammo boots?1943 dated Canadian ammo boots?1943 dated Canadian ammo boots?1943 dated Canadian ammo boots?1943 dated Canadian ammo boots?1943 dated Canadian ammo boots?1943 dated Canadian ammo boots?

To me, the marking on the sole reads something like C.A. (= Canadian Army?) 1943.