I'm checking out Gibson Acoustic Guitar Strings SAG-BRS10, Masterbuilt Premium 80/20 Brass .010-.047
at furtados [1] in India. Are these genuine Gibson strings? Because I don't find them at https://www.gibson.com/en-US/Gear/Acoustic-Strings, which is suspicious to me. Why they are not shown in gibson.com?
[1] https://www.furtadosonline.com/gibson-acoustic-guitar-strings-masterbuilt-premium-80-20-brass-010-047-sag-brs10-214976/214976