I couldn't find any listing for 2572101 by Mallory nor Holley.
I'd set the points at 22° . the linked pdf indicates 22° for all dual points.
https://documents.holley.com/frm3455...01_2527501.pdf
Regarding advance, the same pdf has this chart.
I'd also take a few pictures of your distributor and ask for tech help from Mallory or MSD.
"Contacting Mallory distributor support is currently not possible directly as the original Mallory Ignition, Inc. website is no longer active, but the brand is now owned by MSD Performance (a division of Holley).
Current Support Channel: Users should visit the Holley/Mallory official support page (holley.com/brands/mallory) or contact MSD Performance for technical assistance and replacement parts.
Third-Party Assistance: Many users still find support through major automotive retailers like JEGS, Summit Racing, or Century Performance, which maintain technical articles and parts inventories for legacy Mallory products.
Legacy Support: While Century Performance notes they no longer sell Mallory products, they retain support articles to assist the large installed base of existing components.
For specific part numbers or troubleshooting, customers are advised to have their distributor part number ready, as support teams often require this to match caps, rotors, or modules to older designs like the Comp 9000 or Unilite. "