·     Epigraphers differ on both the reading and the meaning of this glyph – there might even be two different logograms involved:

o MHD:

§ Assigns the 3-character code ZRJ and shows three examples, considered to be equivalent to T576 and T577.

§ Gives ZRJ the reading WOL.

§ Gives ZRJ a tentative meaning of “rubber ball?” by adding a question mark.

o Bonn:

§ Keeps T576 and T577 separate, as 0576st and 0577st.

§ Gives no reading to 0576st and a reading of POM to 0577st.

§ (Bonn currently has no published meanings assigned to logograms.)

·     Prager-TS576 is the paper where the reading KUK is first proposed:

o Because some occurrences of na after T576 were viewed as an end phonetic complement, an earlier proposed reading was BALAN.

o Prager-TS576 lays emphasis on the occurrences of ki after T576 (which – viewed as an end phonetic complement – support the KUK reading) and proposes that the na is not an end phonetic complement but an inchoative suffix è kukaan.

o There is some uncertainty whether the TAL- and CH’AJAN-like elements below T576 are part of the logogram, or whether they’re additional glyphs, to be read separately.

o Whether or not they’re read separately, Prager-TS576 proposes KUK as a reading for T576.

·     Sim: As pointed out in Prager-TS576.p3.pdfp3.para2-3&fig3, it’s known that logograms with the same initial and final consonant (e.g. K’AHK’, K’UK’, and TZUTZ) are sometimes written with a (superfluous) doubler at the top left of the logogram. PAL Temple 19 Platform Y1 and PAL Temple 19 Stone Panel are two examples of such a doubler, written at the top left of 0576st.