Gengerke's 8th edition (1990) lists 97 numbered sales for this New Jersey firm, dating from 1956 to 1988, and one earlier sale (1955), which appeared in The Coin Collector. Two additional sales, in 1991 and 1993, are also known.
Herman Blanton provided an overview of this series in the May/June 2018 NI Bulletin (https://nnp.wustl.edu/library/book/579062).
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