Please Decipher this coin

[jbeevi]

Hi,
I found this coin in my father's collection and would like to know more about this.

Thank you in advance.

weight - 3.40 Grams

[Seeker55]

This coin matches a 2 hayriye altin of Mahmud II, AH 1223 regnal year 21, KM#639

https://www.zeno.ru/showphoto.php?photo=166341

[jbeevi]

Thank you

[aws22]

Thank you Seeker55, for the coin ID:
Dear jbeevi, your coin details:
Ottoman, Sultan Mahmud II, AH 1223/RY21, AV 2 hayriye, Konstantiniyye mint (AH 1223-1255/1808-1839 AD)
Obverse (First photo):
Field: Toughra with Mahmud's soubriquet 'Adli to the right:
عدلى  , Adli (referring to Mahmud the Just, (Mahmut Adli))
Margin: three bunches of flowers and legend inside 3 ovals:
Oval at top:    سلطان   , Sultan
Oval at 8 O'click:   سلاطين  , Salateen
Oval at 4 O'click:   زمان  , Zaman
The reigning Sultan of Sultans.
Reverse (Second photo):
Field: mint, date, and Regnal year:
ضرب في ٢١
قسطنطينية  (Mint, Konstantiniyye / Qustantiniyah, modern-day İstanbul, Turkey)
١٢٢٣  , 1223
Struck [during the] 21[st year of the Sultan rule] at Constantinople. [Accession in] 1223 [AH].
Margin: three bunches of flowers and legend inside 3 ovals:
Oval at top:   غازى  , Ghazi
Oval at 8 O'click:   محمود  , Mahmud
Oval at 4 O'click:  خان  , Khan

Maythem