Belgium Browning A5 20 magnum, TSS 9s, 35 steps. Stepped down from 12 to 20, now on to 28 or .410, or maybe a Parker. Thanks to Mark G. for selling me this great gun! Video, which seldom happens due to either too long of a wait or the sudden appearance of the movie star, is attached.
https://www.youtube.com/watch?v=SqghAXIiCtg