https://tinyurl.com/yxarbsve
This proclamation that Rosetta Stone for Indus Script has been found is an addendum to:
1.Decipherment of Shalamaneser Black Obelisk list of exotic wares (imports from Musri) brought into Akkad by Meluhhans https://tinyurl.com/y4xfhasf
I call this Black Obelisk a Rosetta Stone for Indus Script since the Black Obelisk row 3 from top,on four sides displays both Akkadian cuneiform inscription and transcriptions of the same words in Indus Script Hieroglyphs/hypertexts.
The Cipher of Indus Script is validated by this Rosetta Stone, the Black Obelisk:
Hieroglyphs and hypertexts are composed as wealth-accounting ledgers of metalwork in the underlying semantics of Meluhha language (dialects of Indian sprachbund,'language union') and pragmatics of exotic wealth-yielding products in maritime trade by Meluhha seafaring merchants and artisans who brought the exotic commodities from Musri into Akkad (Agade).
The Rosetta stone found in 1799 had same message in three scripts (Greek, demotic and Egyptian Hieroglyphic), thus enabled validation of decipherment of Ancient Egyptian hieroglyphs by Jean-François Champollion.
I suggest that the Shalamaneser III Black Obelisk erected in 825 BCE in Nimrud (Kalhu), now in the British Museum is the 'Rosettastone' to confirm my decipherment of Indus Script.
Details of the scripts (cuneiform, Indus Script hieroglyphs) displayed on the Black Obelisk are presented and discussed in the three monographs cited above.

Black Obelisk of Shalmaneser III in the British Museum, the White Obelisk of Ashurnasirpal I just behind | |
Material | black limestone |
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Size | c. 1.98 metres high, 45 cm wide |
Writing | Assyrian |
Created | 858–824 BC |
Discovered | Nimrud, Iraq |
Present location | British Museum, London |
Registration | ME 118885 |
In particular, the third row from the top of the Black Obelisk relates to four narratives presented on four sculptural friezes related to exotic imports from Musri (according to the cuneiform inscription). The exotic imports are listed as Indus Script hieroglyphs. The four narratives on sculptural friezes of the Black Obelisk are as followson Side A,B,C,D:

Cuneiform text related to the four sides reads in translation from Akkadian:
These hieroglyphs are read rebus in Meluhha expressions since Musri is an area of Kurds many of whom practice Hindu traditions even today.
The readings in Meluhha expressions, of the hypertexts and plan texts are:
karibha'camels' rebus: karba, 'iron'
ranga'buffalo' rebus: ranga'pewter'
sakea is a composite animal hypertext in Indus Script: khara'onager' PLUS khoṇḍa'young bull' PLUS mer̥ha'crumpled (horn)' rebus: kār kunda'blackmith, turner, goldsmith' کار کنده kār-kunda 'manager, director, adroit, clever, experienced' (Pashto) medhā 'yajna, dhanam' med 'iron'med'copper' (Slavic)
susu is antelope: ranku 'antelope' rebus: ranku'tin'
karibha, ibha, 'elephant' rebus: karba, ib'iron'
bazitu/uqupu is monkey/ape: kuṭhāru कुठारु monkey; rebus: kuṭhāru, कुठारु an armourer.
"The Rosetta Stone is a granodiorite stele, found in 1799, inscribed with three versions of a decree issued at Memphis, Egypt, in 196 BC during the Ptolemaic dynasty on behalf of King Ptolemy V. The top and middle texts are in Ancient Egyptian using hieroglyphic script and demotic scripts, respectively, while the bottom is in Ancient Greek. As the decree has only minor differences between the three versions, the Rosetta Stone proved to be the key to deciphering Egyptian hieroglyphs, thereby opening a window into ancient Egyptian history." https://en.wikipedia.org/wiki/Rosetta_Stone
The Rosetta Stone | |
Material | Granodiorite |
---|---|
Size | 1123 mm × 757 mm × 284 mm (45 in × 28.5 in × 11 in) |
Writing | Ancient Egyptian hieroglyphs, Demotic script, and Greek script |
Created | 196 BC |
Discovered | 1799 |
Present location | British Museum |