Sivas   Rum Seljuq
'Ala al-Din Kayqubad I    615 AH - 633 AH

Dirham AR 23

SHH 7392

Parameter Obverse Reverse Notes Reference Provenance

2.920 g   22.9-23.4 mm   0.736 eqmm   tmax 0.7 mm   rh 0.2 mm   8:00 o'clock   VF σ(SigmaTest, 240 kHz) = obv. 17.8-20.8, rev. 19.7-22.4, MS/m Arabic inscription. Arabic inscription . Caliph al-Mustansir. Dated 625 AH Album 1211.3; Zeno 169838 Ex Lydia Numismatics 10/843, 28.8.2021

Parameter            Measurement coordinates  r and φ are  referred to the die orientation of the obverse Elektrische Leitfähigkeit SigmaTest, 8 mm probe, 7.9.2021 Comment κΗz 60 120 240 480 960 r φ σ  MS/m mm ° eqmm Initial obv 19.4 21.0 20.2 21.1 22.7 0     0 0.736 Initial rev 19.2 21.4 21.0 22.2 24.5 0     0 0.736