Watch List notes:

Constans augustus, 337 – 340. Solidus, Thessalonica 337-340, AV 4.42 g. FL IVL CON – STANS P F AVG Rosette-diademed, draped, and cuirassed bust r. Rev. GAVDIVM POPVLI ROMANI, SIC/V/SIC/X in four lines within wreath. In exergue, TSE. C 36. RIC 8. Depeyrot 2/1 (this coin).
Extremely rare. Virtually as struck and almost Fdc

Ex Hirsch XXII, 1908, 214; Hirsch XXXIV, 1914, 1587 and Vichon 30 November 1993, 47 sales.