Would someone out there be able to enlighten me on the production number of the 23 Jewel Model 9 Sangamo Special's with the "False Center Bridge", thanks to All?

https://ihc185.infopop.cc/eve/f...81029912/m/907104411

23 JEWEL SANGAMO SPECIAL - FALSE BRIDGE

YEAR_______RUN________SERIAL_NUMBER_______QUANTITY
1915
_____________21________(2,868,401-2,869,100)___________700

1916
_____________23________(2,917,601-2,918,000)___________400
_____________24________(2,920,001-2,920,100)___________100
_____________26________(2,970,001-2,970,500)___________500
_____________27________(2,977,201-2,977,300)___________100 Model 8

1917
_____________28________(3,094,951-3,094,960)____________10

NOTES:
(1)Enamel inlay markings on the movement come in: gold, red or other?
(2)All "Crosshatch" demaskeen pattern.
(3)Total production 1,710 with only 100 model 8.
(4)Sapphire jeweled barrel.
(5)Marked: "Jeweled Barrel" on center bridge rather than barrel bridge.

Excellent Buster, thank you.