Next to my 28's the 16 is my favorite regardless of frame size. I've downsized some but the Parkers are
GHE 2 barrel et 28 inch vent ribs. skt/skt & M/F shipped from Alex Kerr's AKA The Hollywood gun
CHE 30 inch PG splinter forearm M/F
GHE 32 inch vent rib
Grade 1 32 inch hammer gun
GHE straight grip 28 inch Damascus
Grade 3 30 inch hammer gun
Others are
LeFever Optimus (upgrade) 28 inch IC/F
Purdey two barrel set
J Venebles & Son back action hammer gun with Jones under lever 30 inch barrels.
CS Rosson straight grip 26 inch IC/M. This was hell on quail last month in Georgia.
Fox Sterlingworth straight grip (restock) 28 inches
I'm sure I have missed something but the memory ain't what it used to be
I've added 4 so maybe thats all of them now