Licinius I AE 3 – 20mm, 3.1g Siscia, 319-320 AD IMP LIC-INIVS AVG Laureate bust r., bit of drapery on lr. shoulder VICT • LAETAE PRINC PERP Victories inscribing shield with VOT PR on altar with “I” ASIS * in ex RIC VII 96 var. ex Forvm Of exceptional style. Discussed here: http://www.forumancientcoins.com/board/index.php?topic=44684.0
I believe that is just a border around the bust, which is much clearer on the example below. Many coins from this period exhibit this line around the edges of the bust.
I disagree. Considering that A) the lines do not continue around the rest of the bust and B) the portrait is quite above-average, I would consider this to, in fact, be a bit of drapery. Of course, I won't be writing it in my RIC yet, or anything! But I'm 90% sure that there's drapery.
The forum example is reminiscent of an earlier time and style to me. A sophistication to the bust not as common at the time of this coin or generally coins from Siscia. As compared to ones like this (different mint of course):
