38 BC - 2 BC

Phraates IV   Parthia
Φραάτης Δ'
Tetradrachm / Τετράδραχμον AR 29
 SHH 475

475 Phraates IV Parthia Tetradrachm AR

Parameter


Obverse
Reverse



Notes

Reference


Acquired

Electrical
   Conductivity



Composition
 12.81 g   27.9-29.9 mm   12:00 o'clock    VF
σmax(SigmaTest, 240 Hz) = obv. 15.8 rev 11.1 MS/m
μ-XRF Ag-plating ground edge 23 % Cu; Cu-Core ground edge 48 % Cu
Diademed and cuirassed bust of the king left, with long pointed beard.
The king enthroned right , receiving diadem from Tyche standing left before him,
holding cornucopiae; above [ΒΑΣΙΛΕΩΣ] / ΒΑΣΙΛΕ[ΩΝ];
on right ΑΡΣΑΚΟΥ / ΕΥΕΡΓΕΤΟΥ; below  ΔΙΚΑΙΟΥ;
on left [ΕΠΙ]ΦΑΝΟΥΣ / [ΦΙΛΕ]ΛΛΗΝΟΣ; in exergue date ?VΔV ΥΠΣ.
Mint of Seleucia on Tigris.
Silver with copper alloy core.
Copenhagen VII 118 (37-2 BC); Dewing ---; Hart ---;
Manchester University 1384 variant (37-2 BC); Sear Greek 7469 variant;
Sellwood 52.1 variant
27.2.2004

Electrical Conductivity σ [MS/m] (SigmaTest)
f [Hz]
60
 120
 240
 480
 960







obv.
21.0
 18.8
 15.5
 11.8
 8.5
rev.
18.4
 15.2
 11.5
 8.4
 6.7

XRF-Analysis, surface patina   Rathgen OXFORD-Analyser
Cu
 Sn
 Pb
 Zn
 As
 Sb
 Au
 Ag
 Fe
 Ni
%
 %
 %
 %
 %
 %
 %
 %
 %
 %










8.8
 0.0
 0.1
 0.0

0.2
 90.4
 0.0
 0.0