[Researcher]

The Baker Gun & Forging Co. Model 1897 hammer guns --

Baker Hammer Gun Grade D Twist.jpg

Baker Hammer Gun Grade D Damascus.jpg

and the early hammerless guns -- A & B Grades and the Paragon Grade were offered in 10-, 12- & 16-gauges.

Baker A-Grade, February 1906 The Baker Gunner.jpg

April 1905, The Baker Gun Quarterly, Paragon.jpg

The new R Grade, introduced in 1906, was only offered in 12- and 16-gauge -- from the February 1906, The Baker Gunner --

R-Grade, February 1906, The Baker Gunner.jpg

but the S-Grade introduced at the same time also in 10-gauge --

S-Grade, February 1906, The Baker Gunner.jpg

For 1907 the R-Grade got the engraving of Jolly's new toy --

R-Grade, February 1907, The Baker Gunner.jpeg

S-Grade, February 1907, The Baker Gunner.jpeg