Left Turn Clyde! turning tools

[oldgoaly]

OK, I've had these for 30+ years in the same can, I did spray some oil on them.
All the same basic left turning tool for a lathe. Some have an L or left stamped on them. I'm thinking they are Blacksmith's made how old? pre-1920's?  Anyone seen this type before? is there a term for this style of cutter?  Better yet anyone have a bunch or righties? We could swap. I have tried them in my Barnes 4 1/2 (pedal lathe) they cut.