Maximum postcard New York World’s Fair – Trylon and Perisphere (1943)

Country: USA
Issue: New York World’s Fair – Trylon and Perisphere – 3¢
Date of Issue: Apr 1, 1939

Postmark: New York, N.Y. – 1943 – “REGY. DIV.”

Postcard: Color illustration of the Trylon and Perisphere, the iconic architectural symbols of the 1939 New York World’s Fair. The scene shows the towering triangular Trylon and the spherical Perisphere set against a clear blue sky, with landscaped grounds and reflecting pool in the foreground. (Edition C.T. Art-Colortone)

Justification of Maximum Concordance:
This maximum card demonstrates strong thematic and geographic concordance. The stamp commemorates the 1939 New York World’s Fair and depicts the Trylon and Perisphere, which are also the central subjects of the postcard illustration. The cancellation from New York reinforces geographic alignment, and although dated 1943 — four years after the issue — it remains within the valid postal period for the stamp, ensuring acceptable temporal concordance for a historical maximum card.

 

Maximum card Two Medicine Lake and MT Rockwell Glacier National Park (1935)

Country: USA

Issue: National Parks Series -Glacier National Park – Two Medicine Lake

Date of Issue: July 16, 1934

Postmark: 4 Bar Cancel (Type 4B)Glacier Park – JUL 17, 1935

Postcard: Color illustration of Two Medicine Lake and Mount Rockwell in Glacier National Park (Edition: C. T. Art-Colortotone)

Justification of Maximum Concordance: This maximum card presents strong thematic and geographic concordance. The stamp belongs to the 1934 National Parks series and depicts Glacier National Park, which is also the subject of the postcard. The postmark from Glacier Park reinforces geographical alignment, and although dated the year after issue, it remains within the valid postal period for the stamp, ensuring acceptable temporal concordance for a historical maximum card.

 

Maxicard 50th Anniversary of the Soo Locks – Great Lakes Transportation (1955)

Country: USA

Issue: 50th Anniversary of the Soo Locks – Great Lakes Transportation

Date of Issue: June 28, 1955

Postmark: First Day Cancellation – Sault Sainte Marie, Michigan – June 28, 1955

Postcard: Colored illustration showing the excursion boat Messenger passing through the Soo Locks alongside a giant freighter, with the caption: “Excursion Boat ‘Messenger’ Locking thru with Giant Freighter, Soo, Mich.”

Justification of Maximum Concordance:

This maximum card from the United States and commemorates the 50th anniversary of the Soo Locks, a vital link for Great Lakes transportation. The stamp, issued on June 28, 1955, depicts a map of the Great Lakes and highlights the importance of the locks for navigation and commerce. The postcard image shows the actual Soo Locks in operation, featuring vessels passing through, which directly relates to the theme of the stamp. The postmark is a first day cancellation from Sault Sainte Marie, Michigan - the location of the locks. Together, the stamp, the postcard image, and the cancellation achieve maximum concordance by uniting subject, location, and commemorative purpose in a single philatelic piece.

Yvert & Tellier: US 596

Chicago World’s Fair (1933)

Issue: Century of Progress Exposition – Chicago World’s Fair (1¢)

Date of Issue: May 25, 1933

Postmark: Triplex Cancel (with Shoe-Print Killer 2)  – Chicago, Illinois – Jul 03 1933

Postcard: Artistic illustration of the Federal Building at the Chicago World’s Fair, featuring three fluted towers surrounding the central dome, illuminated by beams of light against a pastel-colored sky. (Edition C.T. Art-Colortone)

Justification of Maximum Concordance: This maximum card demonstrates strong thematic and geographic concordance. The stamp commemorates the Chicago World’s Fair, and the postcard depicts the Federal Building, one of the fair’s iconic structures. The cancellation from Chicago reinforces geographic relevance. Temporal concordance is excellent, as the postmark date is within the fair period and close to the stamp’s issue date.

Yvert & Tellier: US 321

The Old Capitol Building - University of Iowa (1938)

Country: USA

Issue: Territorial Centennial – Iowa

Date of Issue: Aug 28, 1938

Postmark: Circular Date Stamp (CDS) – Iowa City, IA – Sep 14 1938

Postcard: Illustration of the Administration Building (Old Capitol), University of Iowa, Iowa City, Iowa. (Edition C.T. Art-Colortone)

Justification of Maximum Concordance: The stamp commemorates Iowa’s Territorial Centennial and depicts the Old Capitol building. The postcard shows the same landmark in Iowa City. The postmark is a CDS from Iowa City, applied on the stamp during the commemorative period.

 Yvert & Tellier: US 403 Scott: 838

Stone Mountain Memorial (1970)

 

Issue: Dedication of Stone Mountain Confederate Memorial

Date of Issue: September 19, 1970

Postmark: First Day of Issue - Stone Mountain, Georgia – SEPT 19 1970

Postcard: Artistic view of the Stone Mountain bas-relief sculpture featuring Confederate leaders Jefferson Davis, Robert E. Lee, and Stonewall Jackson. (Edition C.T. Art-Colortone)

Justification of Maximum Concordance:
This maximum card exhibits perfect thematic, geographic, and temporal concordance. The stamp commemorates the Stone Mountain Memorial, and the postcard shows the same iconic sculpture. The cancellation from Stone Mountain on the official First Day of Issue ensures complete geographic and temporal alignment.

Yvert & Telier: 901