Gold Mardi Gras Doubloon
Bob Rhue writes:

To read the earlier E-Sylum article, see:
MARDI GRAS DOUBLOON DETECTIVE WORK(https://www.coinbooks.org/v27/esylum_v27n37a13.html)

Afghanistan Pattern 60 Rupee
Regarding a coin in the Stephen Album Rare Coins Auction 50, Martin Purdy asked earlier this month:

AFGHANISTAN: Amanullah, 1919-1929, AV 60 rupee (1 1/2 amani) (6.98g), AH1337 (1918), KM-Unlisted, H-22A, PCGS graded Specimen 61, ex Hakim Hamidi Collection.

An extremely rare gold pattern and we have not found any records of another example of this rare type ever having been offered in public auction.

NOTE: In the printed catalog we incorrectly called this an issue of Habibullah (1901-1919) because the coin dates to 1918, but it is a pattern in the name of the next ruler Amanullah (1919-1929). We also did not mention that the denomination is written as 60 rupee.

To read the complete lot description, see:
AFGHANISTAN: Amanullah, 1919-1929, AV pattern 60 rupee (1 1/2 amani), AH1337 (1918), PCGS SP61(https://www.sarc.auction/AFGHANISTAN-Amanullah-1919-1929-AV-pattern-60-rupee-1-1-2-amani-AH1337-1918-PCGS-SP61_i53868924)

Martin writes:

To read the earlier E-Sylum article, see:
STEPHEN ALBUM RARE COINS AUCTION 50(https://www.coinbooks.org/v27/esylum_v27n35a18.html)

Daniel Webster and Dartmouth College
Laurence Edwards writes:

To read the earlier E-Sylum article, see:
COIN COLUMNIST DANIEL WEBSTER (1932-2018)(https://www.coinbooks.org/v27/esylum_v27n37a19.html)

An Outdoor Wall of Books
Jeff Rock writes:

Vertical Bill Designs

For more information, see:
https://en.numista.com/catalogue/exonumia417298.html

The Unsanitary Dollar

To read earlier E-Sylum articles, see:
DIRTY MONEY RESEARCH WINS IG NOBEL AWARD(https://www.coinbooks.org/v22/esylum_v22n37a27.html)
GERMS AND MONEY(https://www.coinbooks.org/v23/esylum_v23n14a35.html)
HISTORY OF MONEY CLEANING(https://www.coinbooks.org/v23/esylum_v23n14a36.html)