On Originals vs Copies
Earlier Pete Smith asked, "Is a typewritten original letter worth any more than a letter printed with multiple copies or a photocopy?"Dave Steine writes:

To read the earlier E-Sylum article, see:
ORIGINALS, COPIES, AND TYPEWRITTEN LETTERS(https://www.coinbooks.org/v26/esylum_v26n38a17.html)

Digitizing Literature of Ancient Numismatics
Jackie L. ofMinneapolis, MN writes:

To read the earlier E-Sylum article, see:
NNP TO DIGITIZE LITERATURE OF ANCIENT NUMISMATICS(https://www.coinbooks.org/v26/esylum_v26n39a09.html)

On Damaged Cash in the Philippines
Dennis Tucker writes:

To read the earlier E-Sylum article, see:
VIETNAM'S DAMAGED MONEY COLLECTORS(https://www.coinbooks.org/v26/esylum_v26n39a26.html)

See also:
How Do Banks Dispose Of Damaged Currency?(https://carnation-inc.com/blogs/money-handling-blog/how-do-banks-dispose-of-damaged-currency)

More on Dale Seppa
Eric Hodge writes:

To read the earlier E-Sylum articles, see:
DALE SEPPA (1940-2023)(https://www.coinbooks.org/v26/esylum_v26n38a09.html)
NOTES FROM E-SYLUM READERS: SEPTEMBER 24, 2023 : On Dale Seppa and John Mussell(https://www.coinbooks.org/v26/esylum_v26n39a12.html)

On the Coin Collection of Sir Arthur Conan Doyle
Website visitor Wendy Cushman writes:

To read the earlier E-Sylum articles, see:
NOTES FROM E-SYLUM READERS: OCTOBER 12, 2014 : Query: Coins Pedigreed to Sir Arthur Conan Doyle Sought(https://www.coinbooks.org/esylum_v17n42a07.html)
QUERY: CHRISTIE'S SIR ARTHUR CONAN DOYLE CATALOG SOUGHT(https://www.coinbooks.org/esylum_v19n08a19.html)
MORE ON COINS COLLECTED BY SIR ARTHUR CONAN DOYLE(https://coinbooks.org/esylum_v19n09a29.html)

Zinc Cent After Dryer Time
Gary Beals writes: