Watch List notes:

The George W. La Borde Collection of Roman Aurei Part I
THE ROMAN EMPIRE
Constantine I, 307 – 337

Solidus, Sirmium 320, AV 4.58 g. CONSTANTI – NVS P F AVG Laureate, draped and cuirassed bust r. Rev. SOLI COMITI AVG N Sol standing r., presenting Victory on globe to Emperor standing l.; between them, kneeling captive raising both hands towards Emperor; in exergue, SIRM. C 505. RIC 8 (this coin). Alföldi 481. Depeyrot 2/5 (this coin). Biaggi 1996 (this coin).
Very rare. Minor edge marks, otherwise extremely fine


Provenance
Adolph Hess A.G. & Bank Leu, Hermann Rosenberg expert, auction 28, Lucerne, 5-6 May 1965, lot 526, estimated CHF 3500, for CHF 5'000.
Leo Biaggi de Blasys (1906-1979) Collection.
Sold by Numismatica Ars Classica, Zurich, auction 34 ("An Important Collection – part I"), 21 November 2006, lot 209.
Inventory of Harlan J. Berk (Chicago), sold in October 2006.