This on looks like a DDR, but maybe a medium one. Did you check Variety Vista for their listings? They have 9 listed.
http://varietyvista.com/01a%20LC%20...R%201939.htm
I wondered about 003 there? The markers might be a help. Check next to the devices to see if the die scratches have flattened. (I know it is hard on circulated examples, but maybe you will spot something?)
http://varietyvista.com/01a%20LC%20...R%201939.htm
I wondered about 003 there? The markers might be a help. Check next to the devices to see if the die scratches have flattened. (I know it is hard on circulated examples, but maybe you will spot something?)



























