<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31430975</termId><termName>postmarks</termName><termType>PT</termType><termNote><![CDATA[ Official marks stamped on mail, sometimes serving as cancellations, that indicate the place, date, and sometimes the time that the postal system accepted custody of the item; use "cancellations" only for official defacements of postage stamps to prevent their reuse. ]]></termNote><termCreatedDate>2026-03-30 20:56:17</termCreatedDate><relation><relationType>UF</relationType><termId>31430976</termId><termName>postmark</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31401379</termId><termName>marks by function</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>31452426</termId><termName>cancellations</termName><termType>PT</termType></relation></term>  </Zthes>