Source: ATF P 5300.11 · Curios or Relics List · Jan 1972 – Apr 20253,573 entries · 4 sections
The C&R RegisterA finding aid to the ATF Curios or Relics List, for Type 03 collectors
C&R · II · 333

Jieffeco .25, Davis Warner marked

Section II: curio or relic, still subject to the Gun Control Act

Official wording

ATF P 5300.11 · APRIL 2025 EDITION · SECTION II · VERBATIM · PDF P. 11 ↗

Jieffeco, semiautomatic pistol, cal. .25 ACP, marked "Davis Warner Arms Corp., N.Y."

What this entry requires

  • ATF REQUIRESYour firearm carries the marking “marked "Davis Warner Arms Corp., N.Y."”
  • INFOATF states no date; production was about 1920–1921.

Editorial facts · Our research

Country
BelgiumBasis: no citation
Manufacturer
L. Robar & de Kerkhove, Liège, for Davis-Warner Arms Corp.Basis: outside reference ²
Type
PistolBasis: the ATF wording
Action
Semi-autoBasis: the ATF wording
Caliber
.25 ACPBasis: the ATF wording
Made
c. 1920–1921production; ATF states no dateBasis: outside reference ¹
Service
Commercial

Source

Official wording
ATF P 5300.11, April 2025 edition · Section II · PDF p. 11 ↗ · ATF original ↗
Entries
1 line
Verbatim check
Checked against the PDF text before every release
Editorial facts
Confidence: Medium · Last revised 17 October 2026 (Data-trust review) · How we rate confidence
References
  1. 1. unblinkingeye.com ↗, years: Davis-Warner order around end of 1920 or early 1921; about 2,000 guns, serials 47924–49945 seen
  2. 2. littlegun.be ↗, maker: export version of the New Model Melior marked "Davis-warner Arms Corporation N Y"
Fact tags
  • ATF the ATF wording states it.
  • REF ¹ an outside reference supports it; the number points to the list of references.
  • ESTIMATE an approximate or indirect reading, for example the production range of the base model.
  • NO CITATION we haven’t attached a reference for this fact; it’s our editorial reading, not ATF’s.
Source checked
20 October 2026: ATF’s page still lists the April 2025 edition
Corrections
4 changes · see below

Correction history

  1. Data-trust reviewEditorial confidence: Low → Medium. Re-rated after supporting references were added or re-checked.
  2. Data-trust reviewSearch aliases updated. Added melior, kerkhove
  3. Data-trust reviewYears: 1919–1926 → 1920–1921. The Davis-Warner order was placed around the end of 1920 or early 1921 (about 2,000 guns)
  4. Data-trust reviewMaker: Robar et Cie, Liège, for Davis-Warner Arms Corp. → L. Robar & de Kerkhove, Liège, for Davis-Warner Arms Corp.. Unblinking Eye ties the Davis-Warner Jieffeco to the Louis Robar firm

All corrections · How corrections work

Historical context

NO VERIFIED IMAGE AVAILABLEWe show only freely licensed images verified to depict this model. None has been found yet.