Baltimore Jersey pattern?

[BamaDADx3]

Family member picked it up for me and I'm trying to identify. Can read L. SCR with RR below it then A72 also. Any help would be appreciated!

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[300Six]

Lotta miles (or excessive grinding) on that old girl!

 

[Steve Tall]

Couldn't find an exact match in this 1884 listing of railroad abbreviations, but there were so many railroads back then, with abbreviations evidently changing over the years because of mergers and acquisitions:

Some examples from the 8-page list:

from
Congressional Serial Set
U.S. Government Printing Office, 1884
pages 141-148