P. L. Gupta
Parmeshwari Lal Gupta ( P . L . Gupta ) ( 1914-2001 ) was an Indian numismatist who collated previous research on Indian Numismatics in the post-Independence era . 
<triplet> numismatist <subj> Numismatics <obj> field of this occupation <triplet> Numismatics <subj> numismatist <obj> practiced by