Peru P130 or P131 50 Intis 1985-1987 UNC—The Caliph President—Oil Rig—Helicopter

Peru's 50-inti note puts a two-time president nicknamed "El Califa" on the front and an oil drilling rig on the back — a note that captures both the political drama and the industrial ambitions of a nation perpetually on the edge of transformation.

Front

• Colors:
  • Warm orange-brown engraving; tan/cream background; green coat of arms; red serial numbers and date
• Portrait: Nicolás de Piérola, right side
• Center: Peruvian coat of arms
• Issuer name: BANCO CENTRAL DE RESERVA DEL PERU across top
• Denomination: "50" lower left and right border; "CINCUENTA INTIS" below arms
• Signatures: Varies by date — see Other Characteristics below

Back

• Colors:
  • All orange/red-brown engraving on cream background; green "50" rosette lower right
• Scene: Oil drilling rig with workers in foreground; oil derrick tower and helicopter in background
• Issuer name: BANCO CENTRAL DE RESERVA DEL PERÚ across top in red-orange
• Denomination: "50" top left and lower right; "CINCUENTA INTIS" lower left
• Printer imprint: CASA DA MOEDA DO BRASIL, lower left (P131 only)

Other Characteristics

• Varieties: You may receive any variety:
  • P130a / TBB B468a — 1985-Apr-03, De La Rue; Sigs: Eduardo Montero Aramburu (Dir.), Richard Charles Webb Duarte (Pres.), Héctor Neyra Chavarry (Gen. Mgr.)
  • P131a / TBB B469a — 1986-Mar-06, Casa da Moeda do Brasil; Sigs: Juan Candela Gómez de la Torre (Dir.), Leonel Figueroa Ramírez (Pres.), Héctor Neyra Chavarry (Gen. Mgr.)
  • P131b / TBB B469b — 1987-Jun-26, Casa da Moeda do Brasil; Sigs: Enrique Cornejo Ramírez (Dir.), Carlos Capuñay Mimbela (Pres.), César Farrari Quiñe (Gen. Mgr.)
• Catalog numbers: P130 / P131; TBB B468 / B469; Numista N#205630
• Watermark: Nicolás de Piérola
• Composition: Paper
• Size: 150 × 75 mm
• Issuing entity: Central Reserve Bank of Peru (Banco Central de Reserva del Perú)
• Printers: De La Rue (P130) · Casa da Moeda do Brasil (P131)
• Demonetized: 1 July 1991
• Currency: Inti (1985–1991)

"El Califa" — Seminary Student, Coup Leader, Emperor's In-Law

Nicolás de Piérola (1839–1913) — nicknamed "El Califa" (The Caliph) — is one of Peru's wildest political figures:

• Seminary student turned coup leader who seized power twice
• Married into Mexican imperial royalty — his wife was a granddaughter of Emperor Agustín de Iturbide
• His "triumphal entry" into Lima in 1895 left over a thousand people dead in street fighting
• Then won the subsequent election with 4,150 out of 4,310 votes cast
• Introduced a gold-backed currency pegged to the British pound, briefly stabilizing Peru's economy
• Sponsored Japanese immigration to Peru — indirectly setting the stage for Fujimori decades later

Messianic, violent, occasionally brilliant: the Caliph nickname fit perfectly.

Oil, Derricks, and Peru's Industrial Dream

The reverse scene depicts Peru's petroleum industry, centered on the Talara oil fields in the far north — among the oldest continuously operating oil fields in the world, producing since the 1860s. The drilling rig, workers, and helicopter evoke the state oil company Petropéru, nationalized in 1969 under General Velasco. By the mid-1980s, oil was one of Peru's top export earners, even as the broader economy collapsed under hyperinflation. The juxtaposition of industrial ambition on a note that would soon be worth less than a penny is one of history's quiet ironies.

The Inti's Brief, Chaotic Life

The Inti replaced the sol at 1,000:1 in 1985 — already a sign of the inflation ravaging Peru. By 1990, annual inflation hit 7,649%. The Inti was replaced by the nuevo sol in 1991 at 1,000,000:1. This 50-inti note, worth fractions of a U.S. cent at demonetization, is now a vivid artifact of one of Latin America's most dramatic economic collapses.

About Peru

• Origin of name: Likely derived from Birú, the name of a local ruler or river encountered by Spanish explorers in the early 16th century; the name was gradually applied to the entire region
• Capital: Lima (city pop. ~10 million; metro pop. ~11 million)
  • Origin of name of Lima: From Limaq, a Quechua word meaning “talker” or “speaker,” referring to an oracle at the site
• Population: ~34 million (UN 2024) — comparable to California
• Area: 1,285,216 km² (496,225 mi²) — comparable to Alaska or France + Spain + Germany
• GDP per capita (PPP): ~$16,000 (IMF 2024)
• Main exports: Copper, gold, zinc, fishmeal, coffee, asparagus, textiles
• Borders: Ecuador, Colombia, Brazil, Bolivia, Chile; Pacific Ocean to the west
• Official/spoken languages: Spanish (official); Quechua and Aymara (co-official); dozens of Amazonian languages
• Ethnicities: Mestizo (~60%); Amerindian (~26%); White Peruvian (~6%); Afro-Peruvian and other (~8%)
• Memberships: UN (founding member, 1945); OAS (1948); Andean Community (founding member, 1969, hosts secretariat in Lima); APEC (1998); Pacific Alliance (founding member, 2011)
• Sovereignty: Viceroyalty of Peru (1542–1821); Independence declared 28 July 1821; Republic of Peru (1821–date)

Peru Unfiltered

• Machu Picchu: The Inca citadel was “rediscovered” by Hiram Bingham in 1911 — locals had never lost it
• Hyperinflation record: Peru's 1990 inflation of 7,649% remains one of the worst in Latin American history
• Oldest oil fields: The Talara fields have been producing oil since the 1860s — older than most of the world's major petroleum industries
• Biodiversity: Peru contains ~10% of all species on Earth and is one of only 17 megadiverse countries
• Potato origin: The potato was domesticated in Peru ~8,000 years ago — the world owes its french fries to the Andes
• Shining Path: The Maoist insurgency (1980–2000) killed an estimated 70,000 people — the bloodiest internal conflict in South American history
• Nazca Lines: Enormous geoglyphs etched into the desert, some over 2,000 years old, still not fully explained
• Pisco war: Peru and Chile have an ongoing diplomatic dispute over which country invented pisco — both claim it fiercely

Own this note and hold a piece of Peru's political fire and industrial ambition — a twice-president who married into an empire, fought off an invasion, and accidentally set the stage for a future president named Fujimori, all on a note that outlasted the currency it represented.