Hello All Have been temped to venture forth and sort some more bits and pieces out and came across this Change key I probably should know what lock it fits bit am at a loss Would like to to know and see a picture or an exploded view of the lock it fits First thought were Rosengren though perhaps not Maybe a Martins ?
I wonder if anybody knows Thanks Click image for larger version. 

Name:	Rosengren KCL change key .jpg 
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