We received the following from David Finkelstein:
Linked is an article for the JR Newsletter that identifies and discusses new circumstantial evidence about when 1794 Half Dismes were struck.
https://gallery.mailchimp.com/74a0e3c37d154d935bdeb2daf/files/dc546c27-716a-46bb-b5b4-69a63cf84f2a/DJF_MInt_1794_Half_Dismes.pdf
David