Name a numismatic specialty that was once popular but no longer is.

Remember, it has to have once actually been popular with collectors.
I'll start:
Circulated Jefferson Nickels. During the coin boom of the early 1960's circulated Jefferson nickels were widely collected. Many dates/mintmarks actually brought small premiums if offered to dealers. Today, most of these coins are considered to be little more than pocket change.
About twenty years ago I knew a local dealer who operated a combination coin and sports card store. He eventually dropped the coins (and later went out of business entirely when the sports card craze died.) I was in his store one day and noticed that he had a huge pile of Whitman Folder Jefferson nickel albums, nearly all full or close to it. At this point his coin business was declining and he made an interesting comment. He pointed to the stack of Jefferson Nickel folders and lamented that he wished he had been more selective when buying. He admitted that his shop was cluttered with coins that had seen their day and that he had way too much money tied up in such merchandise.
I'll start:
Circulated Jefferson Nickels. During the coin boom of the early 1960's circulated Jefferson nickels were widely collected. Many dates/mintmarks actually brought small premiums if offered to dealers. Today, most of these coins are considered to be little more than pocket change.
About twenty years ago I knew a local dealer who operated a combination coin and sports card store. He eventually dropped the coins (and later went out of business entirely when the sports card craze died.) I was in his store one day and noticed that he had a huge pile of Whitman Folder Jefferson nickel albums, nearly all full or close to it. At this point his coin business was declining and he made an interesting comment. He pointed to the stack of Jefferson Nickel folders and lamented that he wished he had been more selective when buying. He admitted that his shop was cluttered with coins that had seen their day and that he had way too much money tied up in such merchandise.
All glory is fleeting.
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"Key date" Roosies (an oxymoron if there ever was)
Check out my current listings: https://ebay.com/sch/khunt/m.html?_ipg=200&_sop=12&_rdc=1
PS My son put the rolls in the seat pocket in the car on the way home from the show, and none of us has yet had the initiative or interest to bring them into the house.
Lincoln set Colorless Set
roadrunner
washingtonia
struck copies/electros of early american and pre federal coinage
pre 1915 proof gold by type
circ grade from lower to higher po1-xf pre 1807 coinage//pre 1800!!!!! coinage but with great eye appeal and little or no problems
edited to add --> Remember the promoted "poor man's double dies"? Haven't seen much of that stuff in a long time. Not a specialty but a recollection.
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