Going to have Esoterica Pembroke (2021) in a Savinelli Linea 76 06 Bent Egg.
The Linea 76 line was produced in 1976 to mark Savinelli's 100th anniversary—there were six models produced, and they were marketed as featuring shapes of a more modern style.
I believe the Linea 76 06 shape was a reimagined version of the Nonpareil 9006:
With the 06, it retained the flaired shank of the Nonpareil and had the stem taper back to the button, resulting in the odd bulge where the the shank and stem meet:
I believe the 660 (one of my favourite shapes) was the direct descendant of the 06 and grandchild of the Nonpareil 9006: