Assertion: handstamp | /r/HasProperty | a veracruz mark
Facets:
value: from 1736
type: TEMPORAL
value: according to yag
type: OTHER
Source sentences:
text: According to Yag & Bash (1965), some handstamps (on undated covers) date to the 1720s and the earliest known stamped postmark on a dated cover is a Veracruz mark from 1736.