0.50 Quetzal

By 1992, Guatemala's monetary system had just emerged from a period of severe distortion — the quetzal had been pegged at artificial rates through much of the 1980s before a managed float was introduced in 1989, and the half-quetzal denomination was seeing real daily use again after years of inflationary pressure had effectively pushed it out of circulation. Oberthur Fiduciaire, the Rennes-based security printer, had held longstanding contracts with several Latin American central banks and took over Guatemalan production as the country restabilized.

P#79 runs through multiple signature varieties reflecting successive changes in bank and finance ministry personnel during the early 1990s — worth distinguishing if collecting by signature pair.