"As I crossed the border there were no required border controls but I did see an official looking building so I parked and went in and it was staffed with customs officials and I explained that I'd like a stamp on my passport and they gave me one" What did that stamp look like? Such a mistake is possible in the first place because the airport (which one was it?)
Tourists today can visit the It’s not called the end of the world for nothing. Exit stamp for air travel, issued in the Swiss section of Although Albania is not a European Union or Schengen Area member state, and is outside the Entry from France or Spain requires no formalities. Start here for a quick overview of the site
Senegal entry stamp in Keur Ayib from Gambia (Farafenni) in an Israeli passport Beginning January 2018, landing slips are issued to visitors on arrival in South Korea instead of passport stamps, and on departure from South Korea no slips or passport stamps are issued (being unable to present the landing slip on departure does not affect a traveller's ability to clear immigration). Senegal exit stamp in Dakar Airport in an Israeli passport The colour of the ink or the style of stamp may also provide such information. After joining the European Union on 1 July 2013, Croatia adopted the common Schengen design for passport stamps, even though Croatia is still not a member of the Schengen passport-free area. The Schengen Agreement does not include all members of the EU but does additionally include some nations that are not EU membersFrench overseas territories (French Polynesia, New Caledonia, Wallis and Futuna)Countries/Regions not issuing exit immigration stampsFrench overseas territories (French Polynesia, New Caledonia, Wallis and Futuna)Countries/Regions not issuing exit immigration stampsRegulation (EU) 2017/2226 of the European Parliament and of the Council of 30 November 2017 establishing an Entry/Exit System (EES) to register entry and exit data and refusal of entry data of third-country nationals crossing the external borders of the Member States and determining the conditions for access to the EES for law enforcement purposes, and amending the Convention implementing the Schengen Agreement and Regulations (EC) No 767/2008 and (EU) No 1077/2011 (Report from the Commission to the European Parliament and the Council on the operation of the provisions on stamping of the travel documents of third-country nationals in accordance with Articles 10 and 11 of Regulation (EC) No 562/2006 (Article 11 of the Schengen Borders Code (Regulation (EU) 2016/399) (Report from the Commission to the European Parliament and the Council on the operation of the provisions on stamping of the travel documents of third-country nationals in accordance with Articles 10 and 11 of Regulation (EC) No 562/2006 (Report from the Commission to the European Parliament and the Council on the operation of the provisions on stamping of the travel documents of third-country nationals in accordance with Articles 10 and 11 of Regulation (EC) No 562/2006 (Report from the Commission to the European Parliament and the Council on the operation of the provisions on stamping of the travel documents of third-country nationals in accordance with Articles 10 and 11 of Regulation (EC) No 562/2006 (Article 12 of the Schengen Borders Code (Regulation (EU) 2016/399) (Practical Handbook for Border Guards, Part II, Section I, Point 6.1 (Annex IV of the Schengen Borders Code (Regulation (EU) 2016/399) (Annex II of the Schengen Borders Code (Regulation (EU) 2016/399) (Practical Handbook for Border Guards, Part II, Section I, Point 6.5 (Annex V of the Schengen Borders Code (Regulation (EU) 2016/399) (Practical Handbook for Border Guards, Part II, Section I, Point 8.4 (Practical Handbook for Border Guards, Part II, Section I, Point 8.6 (COVID-19: Temporary Restriction on Non-Essential Travel to the EU (Guidance on the implementation of the temporary restriction on non-essential travel to the EU, on the facilitation of transit arrangements for the repatriation of EU citizens, and on the effects on visa policy' in order to provide 'advice and practical instructions (Art 11(3) of the Schengen Borders Code (Regulation (EU) 2016/399) recognises that an entry or exit stamp may be recorded on a sheet of paper indicating the traveller's name and travel document number (rather than inside the traveller's travel document) where stamping the travel document would cause 'serious difficulties' for the traveller.