Trapdoor Rifles

The serial number is 285498. I'm having trouble posting pics as I keep getting the "file too large" message. If I can figure out how to change my phone settings maybe that'd help.

Hi guys! I turn 61 this year and picked up my first trapdoor at an auction. From what I can tell it seems to be all original. I've got penetrating oil in the barrel and have watched several videos on proper take down as I'd like to inspect and clean up the lock work. The rear sight is in need of rep...