Depends on what you mean by "unmolested". Most Trojans (in all gauges) got a lot of use.
As to chokes - could be M/F or IC/M. One of the standard barrel lengths in 20ga was 26 in, and that with IC/M makes a fine grouse gun.
I'd lean toward the higher end of Dudley's range.

Last edited by Dave in Maine; 09/20/18 08:25 PM.
fiery, dependable, occasionally transcendent