![A.C. Bosselman & Co. 17-1-30-2](pages/data/201701301714s-lbosselmann-2.jpg)
R/H view of attributed Roßkopf & Gerz stein. The centre tableau is blank.
![A.C. Bosselman & Co. 17-1-30-1](pages/data/201701301712RuG.jpg)
Base marks on the featured stein, shown left and right.
![A.C. Bosselman & Co.13-8-19-1](pages/data/20130819194020130819_113241.jpg)
A slightly better example of the base mark.
![A.C. Bosselman & Co. 19--5-10-1](pages/data/201905101534Bosselman.jpg)
A.C. Bosselman & Co. N.Y. together with the Thewalt 1907 - 1920 triangle mark.
![A.C. Bosselman & Co. 17-1-30-3](pages/data/201701301715s-lbosselmann.jpg)
L/H view of attributed Roßkopf & Gerz stein The centre tableau is blank.