The Samsung Galaxy A (2020) phones will be unveiled this Thursday, but a Slovakian retailer couldn't wait this long and put up pages for the Galaxy A51 through A91. The pages were clearly placeholders, though someone forgot to hide the prices. The Samsung Galaxy A91 is rumored to sell under the name "Galaxy S10 lite" in some markets. It will be the priciest of the bunch, at €670 it's practically in flagship territory (then the S-series branding makes sense). The Galaxy A81 - aka Galaxy Note10 lite - will cost a tad more at €610. It's not exactly cheap, but it will be the most affordable...
Source: https://www.gsmarena.com/prices_of_galaxy_s10_lite_note10_lite_galaxy_a71_and_a51_appear_on_online_retailer-news-40475.php
