Skip to content
Orbis Collectibles

Olbia, tetradrachm — See-eagle on dolphin left (CN type 23399)

DocumentedSupported by at least one credible specialist source.

Record status

Individual type · research required

Period

c. 325–320 BC

Issuing entity

Olbia Pontica

Tetradrachm in silver struck at Olbia, dated c. 325–320 BC. Corpus Nummorum, the online type corpus of the Berlin-Brandenburg Academy of Sciences and Humanities, records it as CN type 23399 (period: Hellenistic Period; issuing authority type: city).

Obverse: Head of Demeter, left, wearing corn wreath. Reverse: See-eagle on dolphin left, head reversed, wings spread. Legend: ΟΛΒΙΟ. Measured specimens give a mean weight of 11.78 g (mean of 2 recorded specimens) and a diameter of 20–23 mm (from 2 recorded specimens). Published references cited by the corpus: Anochin, Monety antičnych gorodov Severo-Zapadnogo Pričernomor'ja, Kiev 1989, nr. 110; Anochin, Antičnye monety Severnogo Pričernomor‘ja, Kiev 2011, nr. 281; Grose, Catalogue of the McClean collection of Greek coins 2, Cambridge 1926, p. 153, nr. 4273, pl. 155, pic. 4.

Evidence at a glance

Linked sources
4
Photograph views
1
Catalogue references
3

Counts describe this entry’s documentation, not authenticity, rarity or completeness. Photographs may show one specimen; check each caption and licence.

Physical characteristics

Material
silver
Denomination
tetradrachm
Recorded diameter
20–23 mm (from 2 recorded specimens)
Recorded mean weight
11.78 g (mean of 2 recorded specimens)

Technical characteristics

Mint
Olbia
Authority type
City

Design

Obverse type
Head of Demeter, left, wearing corn wreath.
Reverse type
See-eagle on dolphin left, head reversed, wings spread.
Reverse legend
ΟΛΒΙΟ

Identification

Period
Hellenistic Period
How to identify
Check the mint name or ethnic, the reverse type and the legend together, then compare weight and module; types from the same mint often differ only in legend arrangement, magistrate names or control marks.
Type corpus record
https://www.corpus-nummorum.eu/types/23399
Type corpus identifier
CN type 23399

Documentation checklist

Denomination
Recorded
Issue or mint date
Recorded
Material
Recorded
Weight
Recorded
Mint or printer
Recorded
Mint or printer mark
Research required
Catalogue reference
Recorded
Attached photograph (check rights)
Recorded

Recorded means a field is present, not independently verified. Read its wording, supporting source and the entry’s confidence level.

Catalogue references

Research required

  • Photograph reuse terms to be confirmed with the holding institution
Can you source one of these? Submit a reference