How to Identify the Gambia 20 Dalasis (Mungo Park Commemorative)
A collector's guide to recognizing the 1994 Gambia silver 20 dalasis by its Mungo Park reverse, ship, denomination, size, and metal.
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Start with the reverse, which carries the strongest diagnostics. Look for the name MUNGO PARK, the dates 1771–1806, a portrait of the explorer, a sailing ship, and the denomination 20 DALASIS. This specific combination identifies the type at a glance and separates it from other explorer or maritime commemoratives that may look superficially similar.
Next read the obverse. It shows a portrait of a bespectacled man encircled by REPUBLIC OF THE GAMBIA and the date 1994. Confirming both the Gambian national legend and the 1994 date on one face, and the named Mungo Park reverse on the other, is the surest way to verify you have this exact issue rather than a different Gambian dalasi coin or an unrelated foreign crown.
Assess size and metal. This is a crown-size silver commemorative, so it should be noticeably larger and heavier than a circulation coin and feel solid in the hand. Silver is non-magnetic and usually shows a bright or gently toned surface. Weigh and measure the coin and compare against catalog specifications for the type; a piece that is much lighter, magnetic, or an off color may be a different metal, a different denomination, or a fake.
Watch for look-alikes and variants. Commemorative programs of the 1990s sometimes issued the same design in multiple metals or finishes, and many countries produced explorer-themed crowns, so do not rely on the ship or portrait alone. The Gambian legend plus the 20 DALASIS value and 1994 date together are the deciding features.
For authentication, favor examples with original packaging or certificates when available, inspect edges and fields for casting seams or tooling, and be cautious of unusually cheap offers. Because this is a lower-mintage collector piece rather than a bullion staple, confirm silver content by weight and specifications, and when in doubt compare a suspect coin side by side with a known-genuine example or seek a specialist opinion.
Frequently asked questions
What is the quickest way to confirm this coin type?
Read the reverse. If it names Mungo Park with the dates 1771–1806, shows a sailing ship, and reads 20 DALASIS, and the obverse reads Republic of The Gambia 1994, you have the correct type.
How do I tell if it is genuine silver?
Check that it is crown-size and appropriately heavy, non-magnetic, and matches published weight and diameter for the type. Look for a fineness marking or original certificate, and compare specifications before assigning value.
Could this design exist in another metal?
Possibly. Some 1990s commemorative programs struck the same design in more than one metal or finish. Verify the metal of your specific example by its weight, markings, and any documentation rather than assuming from the design alone.
What are common look-alikes?
Other explorer and maritime commemorative crowns from various countries share similar ships and portraits. The Gambian obverse legend together with the 20 DALASIS denomination and 1994 date distinguishes this coin from them.