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Martin Post Card Co.

defunct postcard publisher located in the United States
Organization postcard_publishing_company Q110798640
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Summary

Martin Post Card Co. is a postcard publishing company[1].

Key Facts

  • Martin Post Card Co. is in the country of United States[2].
  • Martin Post Card Co.'s instance of is recorded as postcard publishing company[3].
  • Martin Post Card Co.'s founder is recorded as William H. Martin[4].
  • Martin Post Card Co.'s owned by is recorded as William H. Martin[5].
  • Martin Post Card Co.'s Commons category is recorded as Martin Post Card Co.[6].
  • +1909-00-00T00:00:00Z marks the founding of Martin Post Card Co.[7].
  • Martin Post Card Co.'s on focus list of Wikimedia project is recorded as WikiProject Postcards[8].
  • Martin Post Card Co.'s CardCow.com publisher ID is recorded as Martin Post Card Co.[9].

Body

Founding

Martin Post Card Co.'s founder is recorded as William H. Martin[4]. +1909-00-00T00:00:00Z marks the founding of Martin Post Card Co.[7].

Ownership

Martin Post Card Co.'s owned by is recorded as William H. Martin[5].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . kshs.org. kshs.org. Provenance: wikidata.org.
  7. [8] ↑ . wikidata.org.
  8. [9] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Martin Post Card Co.. Retrieved May 3, 2026, from https://4ort.xyz/entity/martin-post-card-co-
MLA “Martin Post Card Co..” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/martin-post-card-co-.
BibTeX @misc{4ortxyz_martin-post-card-co-_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Martin Post Card Co.}}, year = {2026}, url = {https://4ort.xyz/entity/martin-post-card-co-}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Martin Post Card Co. — https://4ort.xyz/entity/martin-post-card-co- (retrieved 2026-05-03)

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