From c2707a840d59bdefd6f5e8aa73fc270fcce3eb32 Mon Sep 17 00:00:00 2001
From: Joshua Ramon Enslin <joshua@museum-digital.de>
Date: Sun, 12 Jul 2026 19:45:50 +0200
Subject: [PATCH] Add concordance for FL > Dutch Guilders

---
 src/MDConcCurrencies.php | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/MDConcCurrencies.php b/src/MDConcCurrencies.php
index def1916..87a7a29 100644
--- a/src/MDConcCurrencies.php
+++ b/src/MDConcCurrencies.php
@@ -53,6 +53,10 @@ final class MDConcCurrencies implements MDImporterConcordanceListInterface {
         "FF" => "fr-FF",
         "FRF" => "fr-FF",
 
+        // Dutch Guilders
+        'fl' => 'nl-Gulden',
+        'FL' => 'nl-Gulden',
+
         // Forint
         "Forint" => "hu-Ft",
         "FT" => "hu-Ft",