Inscriptional Parthian
Parthian version of Shapur I's inscription at Ka'ba-ye Zartosht
Script type	Abjad
Time period	250 BC
Direction	right-to-left script
Languages	Parthian language
Related scripts
Parent systems	Aramaic alphabet Pahlavi scripts Inscriptional Parthian
ISO 15924
ISO 15924	Prti (130), ​Inscriptional Parthian
Unicode
Unicode alias	Inscriptional Parthian
Unicode range	U+10B40–U+10B5F

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Inscriptional Parthian is a script used to write Parthian language on coins of Parthia from the time of Arsaces I of Parthia (250 BC). It was also used for inscriptions of Parthian (mostly on clay fragments) and later Sassanian periods (mostly on official inscriptions).

Inscriptional Parthian script is written from right to left and the letters are not joined.

Parthian (above), along with Greek (below) and Middle Persian was being used in inscriptions of early Sassanian kings. Shapur inscription in Naqsh-e Rajab

Letters

Inscriptional Parthian uses 22 letters:^[1]

Name[A]	Image	Text	IPA[2]
Aleph		𐭀	/a/, /aː/
Beth		𐭁	/b/, /v/
Gimel		𐭂	/g/, /j/
Daleth		𐭃	/d/, /j/
He		𐭄	/h/
Waw		𐭅	/v/, /r/
Zayin		𐭆	/z/
Heth		𐭇	/h/, /x/
Teth		𐭈	/t/
Yodh		𐭉	/j/, /ĕː/, /ĭː/
Kaph		𐭊	/k/
Lamedh		𐭋	/l/
Mem		𐭌	/m/
Nun		𐭍	/n/
Samekh		𐭎	/s/
Ayin		𐭏	/ʔ/
Pe		𐭐	/p/, /b/
Sadhe		𐭑	/s/
Qoph		𐭒	/q/
Resh		𐭓	/r/
Shin		𐭔	/ʃ/, /ʒ/
Taw		𐭕	/t/, /d/

Ligatures

Inscriptional Parthian uses seven standard ligatures:^[1]

Ligature		Sequence
Image	Text
	𐭂𐭅	𐭂 (gimel) + 𐭅 (waw)
	𐭇𐭅	𐭇 (heth) + 𐭅 (waw)
	𐭉𐭅	𐭉 (yodh) + 𐭅 (waw)
	𐭍𐭅	𐭍 (nun) + 𐭅 (waw)
	𐭏𐭋	𐭏 (ayin) + 𐭋 (lamedh)
	𐭓𐭅	𐭓 (resh) + 𐭅 (waw)
	𐭕𐭅	𐭕 (taw) + 𐭅 (waw)

The letters sadhe (𐭑) and nun (𐭍) have swash tails which typically trail under the following letter.^[1] For example:

Ligature		Sequence
Image	Text
	𐭍𐭍	𐭍 (nun) + 𐭍 (nun)
	𐭍𐭃	𐭍 (nun) + 𐭃 (daleth)

Numbers

Inscriptional Parthian had its own numerals:

Value		1	2	3	4	10	20	100	1000
Sign	Image
	Text	𐭘	𐭙	𐭚	𐭛	𐭜	𐭝	𐭞	𐭟

Numbers are written right-to-left. Numbers without corresponding numerals are additive. For example, 158 is written as 𐭞𐭝𐭝𐭜𐭛𐭛‎ (100 + 20 + 20 + 10 + 4 + 4).^[1]

Unicode

Inscriptional Parthian script was added to the Unicode Standard in October, 2009 with the release of version 5.2.

The Unicode block for Inscriptional Parthian is U+10B40–U+10B5F: