One skillet has 3G on the bottom, the other has 3.
The 3G skillet is SOLD.
The 3. skillet is also in good shape, showing a little bit more wear on the cooking surface. Asking $30 for this one.
BSR skillets were made by Birmingham Stove and Range in Birmingham, Alabama. These skillets were probably made in the 1940s or 1950s, and could have been part of the Red Mountain or Century lines.