Rev. Justus Doolittle (1824-1880), American Board missionary in China, is well-known for his publications, including

He was also a collector of Chinese coins. Note the spade-money issued by Wang Mang on the spines of these books!

Doolittle died on 15 June 1880. His collection of Chinese coins was sold a year later by Messrs Bangs & Co., 739 and 741 Broadway, New York City, in June 1881, and a printed catalogue wasprepared: Catalogue of American and foreign coins and medals, the collection of O.A. Jenison, of Lansing, Mich. Also, the collection of Chinese coins formed by Rev. Justus Doolittle, of China.Together with a fine and large collection of Union envelopes, the property of a lady of Boston. And a collection of old coin sale catalogues. to be sold by auction, by Messrs. Bangs & Co. ... onWednesday and Thursday, June 22, 23, 1881.

To read the complete article, see:
COLLECTOR: JUSTUS DOOLITTLE (1824-1880)(https://chinesemoneymatters.wordpress.com/2017/08/01/collector-justus-doolittle-1824-1880/)

To read the complete catalog on the Newman Numismatic Portal, see:
CATALOGUE OF AMERICAN AND FOREIGN COINS AND MEDALS, THE COLLECTION OF O. A. JENISON, OF LANSING, MICH. ALSO, THECOLLECTION OF CHINESE COINS FORMED BY REV. JUSTUS DOOLITTLE, OF CHINA. TOGETHER WITH A FINE AND LARGE COLLECTION OF UNION ENVELOPES, THE PROPERTY OF A LADY OF BOSTON. AND A COLLECTION OF OLD COINSALE CATALOGUES. (https://nnp.wustl.edu/library/auctionlots?aucCoId=29&auctionId=511216)