I'll have 3 angels total in the piece I'm currently working on. There are many different styles of angels in all the Apocalypse manuscripts I've looked at, but I continue to like the look of the angel from the Annunciation in the Westminster Psalter with his Classical tunic and toga combined with what appears to be a Byzantine influenced way of modeling the figure and drapery: Here's my second figure study. I haven't decided whether this one or the previous will be St. Michael standing at the front of the angel cluster:
Medieval Style Catholic Artist