“The taxila cross at Lahore Cathedral, Pakistan. There hangs on one of the walls of the Lahore Cathedral, a small framed cross. This is the famous Taxila Cross found just outside the ruins of Sirkap in 1935. This was a time when a book titled The Acts of Saint Thomas was well known. Discovered in 1822 in Syria, the book told of how St Thomas, having been assigned by Christ to preach the Gospel to the Indians, arrived by boat in the capital of King Gondophares.”

 'Taxila cross' "In Lahore Cathedral, there hangs on the wall, at the upper end of the nave in the recess to the right, a small cross in a glass frame. The inscription below records that it was found in 1935 and donated to the church by Mrs Cuthbert King (Mr King then being the Deputy Commissioner at Rawalpindi). Nothing surprising about a cross in a church, except that this particular relic goes by the name of the Taxila Cross. Because it was found just outside the fortification wall of Sirkap (one of the ruined cities of Taxila), it is taken by believers as a sign of the arrival of Christianity in our part of the world at the time that Sirkap lived."http://odysseuslahori.blogspot.com/2014/07/TaxilaCross.html

Stamp seals from the Late period levels. Such seals appear to be products of the waning years of the Indus civilization. After Figure in George F. Dales, 1965, Civilisation and floods in the Indus Valley, Expedition, Vol. 7, Issue 4. https://www.penn.museum/sites/expedition/civilization-and-floods-in-the-indus-valley/

It is clear that the 'Taxila Cross' is a hoax. A + symbol, together with svastika symbol are hieroglyphs of Indus Script. The + symbol signifies a fire-altar with the indications of dotted circles on four corners which signify dhã̄ī 'strand' rebus: dhatu 'mineral ore'.

Svastika symbol signifies hieroglyph sattva 'svastika symbol' rebus: sattva, jasta 'pewter, zinc'.

 m0352 cdef

The + glyph of Sibri evidence is comparable to the large-sized 'dot', dotted circles and + glyph shown on this Mohenjo-daro seal m0352 with dotted circles repeated on 5 sides A to F. Mohenjo-daro Seal m0352 shows dotted circles in the four corners of a fire-altar and at the centre of the altar together with four raised 'bun' ingot-type rounded features. Rebus readings of m0352 hieroglyphs:

dhātu 'layer, strand'; dhāv 'strand, string' dāya 'one in dice' Rebus: dhāu, dhātu 'ore' PLUS 'circle' hieroglyph: vr̥ttá ʻ turned ʼ RV., ʻ rounded ʼ ŚBr. 2. ʻ completed ʼ MaitrUp., ʻ passed, elapsed (of time) ʼ KauṣUp. 3. n. ʻ conduct, matter ʼ ŚBr., ʻ livelihood ʼ Hariv. [√vr̥t1]

1. Pa. vaṭṭa -- ʻ round ʼ, n. ʻ circle ʼ; Pk. vaṭṭa -- , vatta -- , vitta -- , vutta -- ʻ round ʼ; L. (Ju.) vaṭ m. ʻ anything twisted ʼ; Si. vaṭa ʻ round ʼ, vaṭa -- ya ʻ circle, girth (esp. of trees) ʼ; Md. va'ʻ round ʼ GS 58; -- Paš.ar. waṭṭəwīˊk, waḍḍawik ʻ kidney ʼ ( -- wĭ̄k vr̥kká -- ) IIFL iii 3, 192?(CDIAL 12069) வட்டம்¹ vaṭṭam , < Pkt. vaṭṭa < vṛtta. n. 1. Circle, circular form, ring-like shape; மண்ட லம். (தொல். சொல். 402, உரை.) 2. Halo round the sun or moon, a karantuṟai-kōḷ; பரிவேடம். (சிலப். 10, 102, உரை.) (சினேந். 164.) 3. Potter's wheel; குயவன் திரிகை. (பிங்.) 4. Wheel of a cart; வண்டிச்சக்கரம். (யாழ். அக.) Together, the dot PLUS circle are read rebus:  धवड (p. 436) [ dhavaḍa ] m (Or धावड) A class or an individual of it. They are smelters of iron (Marathi) धावड   dhāvaḍa m A class or an individual of it. They are smelters of iron. In these parts they are Muhammadans.धावडी   dhāvaḍī a Relating to the class धावड. Hence 2 Composed of or relating to iron. (Marathi)

Vikalpa 1. Round dot like a blob -- . Glyph: raised large-sized dot -- (gōṭī ‘round pebble);goTa 'laterite (ferrite ore)A (गोटा) gōṭā Spherical or spheroidal, pebble-form. (Marathi) goTa 'laterite ferrite ore'. Rebus: khoṭā ʻalloyedʼ (metal) (Marathi) खोट [khōṭa] f A mass of metal (unwrought or of old metal melted down); an ingot or wedge (Marathi). P. khoṭ  m. ʻalloyʼ  *khaḍḍa ʻ hole, pit ʼ. [Cf. *gaḍḍa -- and list s.v. kartá -- 1]Pk. khaḍḍā -- f. ʻ hole, mine, cave ʼ, ˚ḍaga -- m. ʻ one who digs a hole ʼ, ˚ḍōlaya -- m. ʻ hole ʼ; Bshk. (Biddulph) "kād" (= khaḍ?) ʻ valley ʼ; K. khŏḍ m. ʻ pit ʼ, &obrevdotdot; f. ʻ small pit ʼ, khoḍu m. ʻ vulva ʼ; S. khaḍ̠a f. ʻ pit ʼ; L. khaḍḍ f. ʻ pit, cavern, ravine ʼ; P. khaḍḍ f. ʻ pit, ravine ʼ, ˚ḍī f. ʻ hole for a weaver's feet ʼ (→ Ku. khaḍḍ, N. khaḍ; H. khaḍ, khaḍḍā m. ʻ pit, low ground, notch ʼ; Or. khãḍi ʻ edge of a deep pit ʼ; M. khaḍḍā m. ʻ rough hole, pit ʼ); WPah. khaś. khaḍḍā ʻ stream ʼ; N. khāṛo ʻ pit, bog ʼ, khāṛi ʻ creek ʼ, khāṛal ʻ hole (in ground or stone) ʼ. -- Altern. < *khāḍa -- : Gy. gr. xar f. ʻ hole ʼ; Ku. khāṛ ʻ pit ʼ; B. khāṛī ʻ creek, inlet ʼ, khāṛal ʻ pit, ditch ʼ; H. khāṛī f. ʻ creek, inlet ʼ, khaṛ -- har, ˚al m. ʻ hole ʼ; Marw. khāṛo m. ʻ hole ʼ; M. khāḍ f. ʻ hole, creek ʼ, ˚ḍā m. ʻ hole ʼ, ˚ḍī f. ʻ creek, inlet ʼ.
khaḍḍukā -- see khaṭū -- .Addenda: *khaḍḍa -- : S.kcch. khaḍḍ f. ʻ pit ʼ; WPah.kṭg. kháḍ m. ʻ hole in the earth, ravine ʼ, poet. khāḍ (obl. -- o) f. ʻ small stream ʼ, J. khāḍ f.(CDIAL 3931) 

Hieroglyph: + symbol: कण्ड a joint (= पर्वन्) (Monier-Williams) Rebus: kanda 'fire-altar' (Santali) khãḍi ʻ edge of a deep pit ʼ(Oriya)