For any interested, shoot and restoration info (choke indicated by micrometer):
The 1927 410 is F/XF (patterns R100% and L95% for 25yds w/ Rem Express LongRange 2 1/2" No. 6)
The 1927 20 is IC/F (patterns R59% and L86% at 40yds w/ RST Lite 2 1/2" No.7)
The 1928 12 is M/F (patterns R88% and L94% at 40yds w/ Polywad Vintager 2 1/2" No. 6)
*The case color hardening was via Clark Gunsmithing And Restorations, LLC of 221 East Haddam Colchester Tpke, East Haddam, CT 06423, tel. 860-873-9639.
*The 'other' restoration (strip and clean, all polish, barrel blue, forend latch/safety slide/triggers/trigger guard blue, the stock and forend wood recheckering and refinish, and for the 12 the added original Hawkins 'heart cutouts' pad) was by Pfrommer Gunworks, LLC, 2954 Hopkins Rd., Rocky Mount, VA 24151, tel. 540-484-5555 (Gunter Pfrommer).