Here's a link to a descriptive and helpfully critical scholarly book review on coins and the NT. Coins as Cultural Texts in the World of the New Testament https://www.bookreviews.org/pdf/11579_12900.pdf
Interesting- I just posted on a thread here(dioscuri coin) how the Dioscuri and their twin white horses are a key to many religious traditions. I wonder if they reference that here also in this journal. the TWO White horse are found specifically in two biblical books.