Mason's marks ... Argyris Petronotis ... Oversize, scanned summer 2019.
Linked image sent from Princeton.
Cf. 2014.01.0108. Fragile Torn Dirty Abraded Heavy Tracing Paper Drafting Ink ... 1964 ... Barletta (2017), p. 234, fig. 227 ... Hesperia 51 (1982) p. 417, fig. 7.
