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Seemed like a decent price
$12 at Bing Lee
Probably could additionally price match at Officeworks who are selling for $19: https://www.officeworks.com.au/shop/officeworks/p/samsung-64…
256GB for $29 seems to be a better deal though:
https://www.binglee.com.au/products/256gb-evo-micro-sd-130mb…