Victorian Citrine Seal Pendant, Antique Intaglio Persian Engraving From 19th Century

Victorian seal pendant in yellow gold 18 karats (750 thousandths) and silver.
This pendant in the form of stirrup is decorated with a seal made of citrine wich turns on itself. It is composed of two intertwined strands, one in silver, the other in gold. They form a knot in the center of the composition. The citrine is engraved on two of its sides with an inscription in Persian language and on the third with gothic initials.
1 - A K A ("AKI") A D I S ا ك ى
2- ANDOON AKIADIS ا د س
3- A J J
On both sides in Persian is the date "278" probably for 1278 in the Hijri calendar, which corresponds to 1861 of our calendar.
Hallmark : head of eagle
Dimensions : 4 cm x 2 cm
Dimensions of the citrine : 10 mm x 14 mm x 10 mm
Condition : Chip on one side of the stone, scratches of use
Weight : 8,41 gr