The Gallery of Passport Stamps by Country contains an alphabetical list of countries and an image of their passport stamps.
Spanish entry and exit stamps in a log book.
Country
Entry Stamp
Exit Stamp
Visa
Notes
Abkhazia_Passport_Stamp.jpg
Albania_morine.jpg
Albania_durres.jpg
Argentina_entry_stamp.png
Argentina_exit_stamp.png
Australia_coolangatta_entry_2.JPG
Australia_coolangatta_exit_2.JPG
Australia_visa_1995.jpg
Nickelsdorfpassportstamp.jpg
Vienna_Airport_passport_stamp.jpg
Azerbaijan-visa.jpg
Bahamas_Passport_Stamp.png
The Bahamas does not issue exit stamps.
Bahrain_manama_airport.jpg
Bahrain_manama_airport_exit.jpg
Entry_BD.gif
Exit_BD.gif
Belarus_entry.png
Belarus_exit.png
Wiza_białoruska.JPG
Belgium_entry_stamp.jpg
Belgium_exit_stamp.jpg
Bolivian_visa.jpg
Bosnia-herzegovina_Bosanska_Kostajnica.jpg
Botswana_Entry.png
Botswana_Exit.png
Brazil_stamp_2.png
Brazil_exit_passport_stamp.png
Brazil_visa_blurred_2.png
Though stamps are issued upon both arrival and departure, There are only minor differences. the first 3 numbers after the date are assigned to the various points of entry and exit. The next number indicates entry or exit, '1' for entry, '2' for exit. The four digit number along the right edge is the Federal Police agent that made the stamp.
Brunei_puni_entry.JPG
Brunei_sg_tujoh_exit.JPG
Gyueshevopassportstamp.jpg
Sofiaairportpassportstamp.jpg
Canada_passport_stamp.png
Canadian_visa.JPG
Canada does not issue exit stamps. On Canada's border with the United States, stamps are issued only if requested.
As a special administrative region of the People's Republic of China, travelers entering Hong Kong will receive a different stamp than those entering mainland China.
FerihegyT2passportstamp.jpg
Hegyeshalompassportstamp.jpg
Hungary_visa.jpg
DEL_En.JPG
DEL_Ex_R.JPG
Indian_Visa.png
Israel_ben_gurion_airport_entry.jpg
Israel_ben_gurion_airport_exit.jpg
Milan_Malpensa_Airport_passport_stamp.jpg
Rome_Ciampino_Airport_passport_stamp.jpg
Japan_entry_stamp_for_Japanese_nationals.JPG
Japan_exit_stamp.JPG
Japan_Double_Transit_Visa.jpg
The_Hashemite_Kingdom_of_Jordan_entry_stamp.jpg
The_Hashemite_Kingdom_of_Jordan_exit_stamp.jpg
Kenya_entry_stamp.jpg
Kenya_exit_stamp.jpg
R._O._Korea_Entry.png
R._O._Korea_Exit.png
Southkorea_visa_incheonairport.JPG
Grenctalepassportstamp.jpg
Rigaairportpassportstamp.jpg
Macau_entry_stamp.jpg
Macau_exit_stamp.jpg
Macedonia_novo_selo.jpg
Macedonia_star_dojran.jpg
Malaysia_klia_entry_citizen.JPG
Malaysia_klia_exit.JPG
Malaysian_visa_stamp.jpg
Visa_Mali.jpg
Maldives_entry_stamp.jpg
Maldives_exit_stamp.jpg
Malta_entry.jpg
Malta_exit.jpg
Malta_visa.jpg
Mexico_entry.png
Mexico_exit.png
Vălcinețborderstamp.jpg
Sorocaborderstamp.jpg
Visa-Mongolia.jpg
Morocco_tangier_entry.jpg
Morocco_tangier_exit.jpg
Nepalarrival.jpg
Nepaldeparture.jpg
Nepal is one of the few countries that issues sticker stamps.
Ijmondpassportstamp.jpg
Hoek_van_Holland_Europoort_passport_stamp.jpg
Newzealand_entry_permit.JPG
New Zealand does not issue exit stamps.
Palau_entry.png
Palau_exit.png
Sello_entrada_Paraguay.JPG
Salida_de_Paraguay.jpg
Paraguay_visa.jpg
Peru_entry_stamp.png
Peru_exit_stamp.png
Slubice_passport_stamp.jpg
Poland_korczowa_exit.jpg
RO_En_TSR.JPG
RO_Ex_Rail.JPG
Russia_entry.png
Russia_exit.png
Visum_Russland_2008rev.jpg
Sanmarino.jpeg
San Marino does not issue exit stamps, and only issues entry stamps upon request at visitors centre.