- $10.44 EUR Postcard Hippopotamus The British Museum
- $34.39 EUR New York Zoological Park Bronx Zoo Pete Hippopotamus Animals NY Postcard
- $9.17 EUR New York City, New York Zoological Park, Hippopotamus Pete, Vintage Postcard
- $8.00 EUR Postcard Hippopotamus Roseate Spoonbill The Landing Kansas City Missouri USA
- $3.96 EUR 2 Postcards of a Kitten and Two Hippopotamus Sent From Germany March 1939
- $4.32 EUR Egypt - White Nile hippopotamus hunt (Cairo Postcard Trust) 1920s? postcard
- $9.04 EUR PARIS - Jardin Des Plantes Hippopotame Du Senegal Hippopotamus Postcard - France
- $9.04 EUR PARIS - Jardin Des Plantes Hippopotame du Senegal Hippopotamus
- $10.33 EUR Postcard Vin(3)Hippopotamus (2) SDZ-6, Same 6961 SWSB, Leopard/Chicken 6962 (957
- $11.47 EUR c1950 CHICAGO ILLINOIS ZOOLOGICAL PARK HIPPOPOTAMUS CALF POSTCARD IL BROOKFIELD
- $7.19 EUR Hippopotamus Hippo Open Mouth Zoo Animal Old Colour Postcard Photo Precision Ltd
- $1.44 EUR VINTAGE postcard: HIPPOPOTAMUS IN A ZOO
- $6.88 EUR Postcard Hippopotamus Gold Diamonds & Enamel Headley Jewel Museum Fayette County
- $6.89 EUR POSTCARD Hippo Covered Flowers Cute Colorful Unreal Strange Fun Unusual Bright
- $6.89 EUR POSTCARD Hippo Covered Flowers Colorful Unreal Strange Cute Fun Unusual Bright
- $9.17 EUR New York City NY, Zoological Park, Hippopotamus Pete, Vintage Souvenir Postcard
- $10.26 EUR Mali - Hippopotamus killed on the Niger River - Publ. G. Labitte 26 - - Mali - H
- $5.00 EUR Hippopotamus, Philadelphia, Pennsylvania Postcard, Zoological Garden
- $2.03 EUR Swope Park Zoo Kansas City MO Hippopotamus Postcard Missouri
- $5.88 EUR Hippopotamus Zoo Series 5195 S Hildesheimer GB KEVII 1908 Cancel
- $7.16 EUR Kansas City MO Postcard "Cleopatra the Hippopotamus, SWOPE PARK ZOO" Linen 1939
- $4.50 EUR Postcard Milwaukee Hippopotamus Washington Park Zoological Garden Wisconsin
- $13.78 EUR Vintage Singapore Postcards, Hwa Par Villa Scenery Postcard Booklet no.3
- $8.63 EUR Hippopotamus The Hippo Ask for More London Zoo Animal Photo FW Bond Old Postcard
- $2.93 EUR Hippopotamus (Bobbie & Jimmy) Regents Park, London Zoo. Suggest Interwar
- $14.39 EUR Hippopotamus Zoo Keeper Hippo. Zoo Animal Greet Birthday Roses Girl Old Postcard
- $2.28 EUR East Africa Greetings Wildlife Elephant Lion Hippopotamus unused postcard sku253
- $7.92 EUR Postcard Mother & Baby Hippopotamus Zoological Park Washington DC Vintage
- $3.44 EUR PPC Postcard IL Illinois Chicago Field Museum Hippopotamus Hall 15
- $23.18 EUR Hippopotamus San Francisco California Zoological 1940s RPPC Photo Postcard 12696
- $4.67 EUR Postcard Hippopotamus and their Habits Shot by Kavirondo Natives Tribe Africa
- $7.19 EUR Postcard Animals Hippopotamus - posted 1965
- $5.73 EUR Postcard Wisconsin WI Milwaukee County Zoo Park Hippopotamus Vintage Animal PC
- $5.30 EUR *Postcard-"Puddles, The Hippopotamus" w/Children *San Francisco Zoo- {G182-S1}
- $5.34 EUR postcard Hippopotamus in the Swamp Roosevelt Tour 9094
- $11.51 EUR Comic. George S. Studdy. Hippopotamus Frightened By Snake. Posted 1916.
- $9.15 EUR Hippopotamus Breckenridge Park San Antonio Texas Postcard Posted 1933 Curt Teich
- $5.74 EUR (AOP) South Africa vintage postcard used - Northern Transvaal : Hippopotamus
- $16.06 EUR Berlin Germany Circa 1910 RPPC Photo Postcard Hippopotamus 21-1684
- $8.63 EUR D107153 Seekoeie Hippopotamus Amphibius Hippopotamus. Kruger National Park. Anth
- $5.60 EUR Hippopotamus zoo fantasy advertising Lombart original old 1910s postcard
- $5.74 EUR (AOP) South Africa vintage postcard unused - Northern Transvaal : Hippopotamus
- $5.16 EUR Postcard Hippopotamus Swope Park Zoo Kansas City Missouri, Vintage Linen i17
- $3.89 EUR Vintage Postcard Hippopotamus
- $17.27 EUR HIPPOPOTAMUS Hippo. East African Game, Kenya Nairobi Old Real Photo Postcard
- $1.48 EUR Hippos Wallowing. Colour Postcard
- $9.15 EUR Hippopotamus Rivers Lakes Africa San Diego Zoo Animal Color Series Postcard UNP
- $12.13 EUR French Equatorial Africa Ubangi-Shari hippopotamus hunting 1910s PC
- $9.19 EUR San Antonio TX~Nile Hippopotamus~San Antonio Zoo~Yawn~Wants A Swim~1950s
- $10.31 EUR Vintage Postcard Mother & Baby Hippopotamus Nat'l Zoological Park Washington DC
- $11.67 EUR Two Hippopotamus Amsterdam Zoo Koekkoek Painting Art Postcard Artist Signed
- $8.63 EUR Postcard (P12) Africa Zimbabwe Hippopotamus Multi View
- $8.28 EUR C1930s RP PC HIPPOPOTAMUS AT BERLIN ZOO
- $4.58 EUR Postcard: Hippopotamus, Klio Post Card, Posted 1910
- $5.41 EUR Postcard East Africa Bloat of Hippopotamuses in Watering Hole UNP
- $2.16 EUR Postcard - HIPPOPOTAMUS - SOUTH AFRICA - Artco No. 719 - (AA1-2)
- $5.03 EUR Wildlife of Kenya. Hippos [Hippopotami] (Kensta. Kenya Stationers, no. 023)
- $3.60 EUR Postcard - HIPPOPOTAMUS - WHIPSNADE PARK, ZOOLOGICAL SOCIETY - (JP2-20)
- $20.53 EUR french congo, Native Hunter, Hippo Hippopotamus Head, Hunting (1920s) Mission
- $5.03 EUR Wildlife of Kenya. Hippo [Hippopotamus] (Kensta. Kenya Stationers, no. 1099)
- $6.83 EUR PHILADELPHIA PA Postcard FEMALE HIPPOPOTAMUS Zoo/Zoological Garden PENNSYLVANIA
- $1.38 EUR C 1940 Hippopotamus & Calf Chicago Zoological Park Brookfield IL RPPC Postcard
- $8.61 EUR Postcard Africa; Hippopotamus; A Trip Through The Wilds of Africa Bk
- $4.31 EUR Hippopotamus Hippo. Mouth Wide Open Old Postcard Zoo Animal Series S. Hildesheim
- $5.45 EUR Postcard Lucifer the Hippopotamus TV Star Tampa Florida
- $3.67 EUR Hippopotamus Pete, New York Zoological Park Vintage Postcard
- $9.19 EUR 1960'S. JUNGLELAND. THOUSAND OAKS, CA. HIPPOPOTAMUS. POSTCARD ST1
- $5.73 EUR Toledo Ohio Postcard Hippopotamus Zoological park OH
- $11.51 EUR Hippopotamus Hippo. Animal The Zoo Series Old Postcard S. Hildesheimer & Co. Ltd
- $14.35 EUR CL-348 Two Hippopotamus' Illustrated Postal Card Company Divided Back Postcard
- $8.27 EUR Chicago-Brookfield IL 3rd Largest Land Mammal~Hippopotamus & Calf~Zoo 1951 RPPC
- $10.07 EUR Postcard (O8) African Wild Life Hippopotamus Peter Hill Postcards Kenya
- $38.89 EUR Sudan Old RP Postcard Hippo. Hippopotamus Shooting on Sobat River Native Hunters
- $5.75 EUR A Hippopotamus in the Wild Vintage Animal Postcard L20
- $2.28 EUR Hippopotamus Pete New York Zoological Park Zoo Old Postcard
- $11.48 EUR Postcard New York: Zoological Park (Bronx Zoo), Peter the Great, Hippopotamus
- $6.83 EUR POSTCARD GARGOYLE- FRANCE, LAON- WINGED HIPPOPOTAMUS, CATHEDRAL OF NOTRE-DAME
- $5.73 EUR Toledo Ohio OH Zoo Hippopotamus Pool Zoological Park Postcard A50
- $3.96 EUR Animal - Hippopotamus - Kenyan postcard, KUT stamps, Nanuki pmk 1960
- $5.73 EUR Postcard Hippopotamus River Horse
- $10.42 EUR Water Nice Time We're Having! Black & White Vintage Postcard 1990 Derrick Thomas
- $5.73 EUR TANZANIA: Hippo Postcard - " Hippopotamus Pool"
- $10.16 EUR Washington DC - Hippopotamus and Baby National Zoological Park Zoo Hippo
- $5.74 EUR Hippos In Zoological Park Detroit MI Postcard UP VTG
- $19.51 EUR Fantasy Anthropomorphic Dressed Hippo Monocle Hippopotamus c1900 Postcard
- $5.79 EUR Dallas, TX Texas ZOO~Marsalis Park PYGMY HIPPOPOTAMUS 4X6 Continental Postcard
- $5.59 EUR Uganda - White father hunting an hippopotamus - Publ. Propagation de la Foi 66
- $10.07 EUR Postcard (O8) African Wildlife Hippopotamus Salmon Cameracolour
- $8.04 EUR Postcard Vin (1)Hippopotamus Muller/WS&SB #6961 UP (#919)
- $11.45 EUR Postcard Hippopotamus, Philadelphia Zoo, PA 1953 I57
- $9.19 EUR Sarasota Florida~Ringling Bros Hippopotamus~Circus Winter Quarters~Close Up~1920
- $2.16 EUR Unposted photographic card by Skilina- Pegas Studio Nairobi, Hippopotamus.
- $7.64 EUR Postcard PA Hippos Philadelphia Zoological Garden Hippopotamus Jimmie Submarie
- $6.88 EUR Postcard Hippopotamus; Hunters in Africa; 1922 Mercersburg, Pa Postmark An
- $7.46 EUR Hippopotamus In the Swamp "Roosevelt Tour" Capper Pub DB UP Postcard (D)
- $1.87 EUR Hippopotamus Postcard unused VGC
- $9.13 EUR Hippopotamus - 2 - 3D Lenticular Postcard Greeting Cards - NEW
- $5.94 EUR POSTCARD Toledo Ohio Hippopotamus Zoological Park Zoo Linen 1951
- $8.63 EUR D147147 Beautiful Faience Hippopotamus. Middle Kingdom. Lehnert and Landrock Boo
- $8.63 EUR L244452 Hippopotamus. Egypt. Middle Kingdom. c. 1900 BC. British Museum. PJ Grap