Stunning vintage 70s houndstooth crop jacket

This vintage jacket/blazer from brand “Finlandia” was sourced from an amazing boutique on the Mornington Peninsula of Melbourne, Australia, such a treasured piece of mine but I never reach for it. It is such an outfit MAKER and absolutely bad bitch energy with the beautiful buttons and pocket details, looks like it was probably part of a 2 piece suit. No materials label but fairly certain it’s a wool blend. I’m a size small-medium in tops, 28” waist.