This Stereo card showcases the city and Bay of Valparaiso, Chile, part of the Keystone Tour of the World 600 card set from the 1930s.
Titled "The Bay and City of Valparaiso, Chile, South America," this card is numbered 131 with a Keystone negative number of 34249. Measuring 3 1/2" by 7", it is in excellent to near mint condition and offers a historical glimpse into the past.
Stereo cards …

"Boston's Skyline in Stereo" is a captivating stereoview card that offers a unique glimpse into the aerial view of Boston, Massachusetts, showcasing the magnificent Boston Harbor.
Part of the esteemed Keystone Tour of the World 600 card set from the 1930s, this card is numbered 1191 and features the title "View over Boston, Mass.
, from an Airplane." Measuring 3 1/2" by 7", this card is in…

This Stereo card captures a scenic view of Athens, Greece from the Parthenon on the Acropolis, part of the Keystone Tour of the World 600 card set from the 1930s.
Titled "The Parthenon on the Acropolis View N.E. over Athenai to Mount Lycabettus, Greece," this card is numbered 688 with a Keystone negative number of 33997. Measuring 3 1/2" by 7", it is in excellent to near mint condition and of…

This Stereo card titled "A Burning Ghat on the Banks of the Sacred Ganges, Benares, India" captures the serene beauty of temples along the Ganges River in Benares, India.
Part of the Keystone Tour of the World 600 card set from the 1930s, this card is numbered T 527 and showcases a historic scene.
Measuring 3 1/2" by 7", the card is in excellent to near mint condition, offering a glimpse …

This stereoview card features a detailed depiction of the Government buildings in New Delhi, India, part of the Keystone Tour of the World 600 card set from the 1930s.
Numbered 876 with a Keystone negative number of 33856, the card showcases a view titled "Through a Sentry-guarded Gateway to the Beautiful Government Buildings of New Delhi, the Imperial Capital of India.
" Measuring 3 1/2" …

This stereoview card depicts workers leaving the Ford Motor Company Factory in Detroit, Michigan, capturing a moment from the early 20th century.
Part of the Keystone Visual Education 600 card Tour of the World set, it offers intricate details and historical significance.
Designed for educational purposes, this card is a window into the industrial landscape of the past, showcasing scenes …

This stereoview card captures a scene of workers bagging up nitrate at a mine in Chile, South America, dating back to the 1930s.
Part of the Keystone Tour of the World 600 card set, this specific card is numbered 262 with a Keystone negative number of 22369. Measuring 3 1/2" by 7", the card is titled "Nitrate for Agriculture and for War Being Sacked for Shipment, Chile.
" In excellent to n…

This vintage stereoview set features a captivating scene of a floating whale station at Spitzbergen, Lapland, showcasing numerous humpback whales tied alongside a ship.
Part of the Keystone Tour of the World 600 card set from the 1930s, this card is numbered 328 with a Keystone negative number of 15768 T.
Measuring 3 1/2" by 7", the card is in excellent to near mint condition, offering a …

This stereoview card captures a scene of two whaling ships, the Diana and the Nova Zembla, cruising in the Arctic.
Part of the Keystone Tour of the World 400 card set from the 1930s, this card is numbered 389 and titled "Whalers Cruising in the Arctic - Dexterity Harbor and Baffin Land.
" Measuring 3 1/2" by 7", the card is in excellent to near mint condition. The back of the card provides…

This Stereoview card captures the vibrant Mardi Gras parade in New Orleans, Louisiana, dating back to the 1930s as part of the Keystone Tour of the World 400 card set.
Titled "When King Carnival Reigns in the New Orleans Mardi Gras, La.," this card, numbered 370, showcases a historical glimpse into the festivities.
Measuring 3 1/2" by 7" and in excellent to near mint condition, it offers …