Definitive stamp handstamped "OFICIAL" for use on external mail sent from government offices in Guatemala City。 The handstamp was applied to stamps requisitioned from available stocks, so the issue date given here is approximate.
The handstamp may exist in violet, black, blue or red ink, and it may be found inverted or doubled。 Sn and YT do not distinguish between these variants.
Forged handstamps exist。
