This coin just sold in a lot of coins for $152.00. RIC rates this issue as scarce, but I think that they are more rare than scarce would indicate.
Constantius Gallus
A.D. 351-354
FL IVL CONSTANTIUS NOB CAES; bare- headed, draped and cuirassed bust.
CONCORDIA MILITVM, emperor diademed and in military dress, standing facing, head left, star above, holding labarum in each hand inscribed with a Chi-Rho, gamma in right field.
in ex. star TSE star
RIC VIII Thessalonica 167