Alex Cooper Auctions in Baltimore has 80 lots of US currency in their March 1 Gallery auction at https://alexcooper.hibid.com/catalog/123949/gallery-sale--march-1-and-3--2018/?q=600 where pre-auction bids can be placed.
A wide variety of currency is being offered, including:
Lot #612 - 1900 $10,000 Gold Certificate FR-1225H
Silver and Gold Certificates
13 lots of National Bank Notes from Baltimore Banks, including several scarcer notes like
1875 $10 CH# 414 Fr-417 Baltimore PMG-6 - perhaps the only known 1875 $10 from this bank, and $5,$10,$20,$50 and $100 Nationals
12 Nationals from different states including $1-1865 Original Series, $2 1875 Original "Lazy Duece" Fr-387 PMG-6net
A dozen or more Obsolete lots and if you are not into Currency there are 4-1 Ounce gold bars, Saints, gold coins and a 100 oz Silver Bar