19/16 |4 0 0 0 0 0 0 1>
297.513 cents
https://en.xen.wiki/w/File:Jid_19_16_pluck_adu_dr220.mp3 sound sample
19/16 is a 19-limit interval, 297.5 cents in size. It is the octave-reduced version of the 19th harmonic, and is extremely close to the minor third of 12edo (300 cents).