This is a unique pair of uncancelled obverse and reverse hubs for the Costa Rica 1948 50 Centimos coin. The Royal Mint in London, produced the hubs & dies, and also struck the 1948 50 Centimos for Costa Rica.

Coin hubs are used to create coin dies that have the negative image of a coin's design. Coin hubs are the tools used to make coin dies; coin dies are the tools used to mint coins. Coin hubs are an essential component of the minting process.

The Costa Rica 50 Centimos is cataloged as KM #176. It has a weight of 7 grams, composition of copper-nickel (75% Copper, 25% Nickel) and a diameter of 26mm. The obverse portrays the national arms and the date, the reverse portrays the denomination within a wreath. This coin with this design was only struck in 2 year, with a mintage of 600,000 in 1937 and 4,000,000 in 1948.

The Costa Rica 50 Centimos, although struck by the Royal Mint in London, was issued by the Banco National de Costa Rica. This uncancelled hub pair is considered unique in private hands and is the only pair known outside of the Central Bank in Costa Rica.

This numismatic discovery, unique in private hands, belongs in a coin museum or a world class coin collection.

Here is a regular issued Costa Rica 1948 50 Centimos coin:

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Here are the only known uncancelled dies
from Costa Rica in private hands for the
1897 2 Colones, 10 Colones & 20 Colones:

Uncancelled Costa Rica Proof Obverse Die Made by the U.S. Mint in Philadelphia For the Extremely Rare 1897 2 Colones Struck at the Philadelphia Mint Total Mintage of 500 Proof Gold Coins Certified by NGC UNIQUE NUMISMATIC DISCOVERY Unpublished & Previously Unknown!!

Uncancelled Costa Rica Obverse & Reverse Dies Made by the U.S. Mint in Philadelphia For the 1897 Gold 10 Colones Struck at the Philadelphia Mint Certified by NGC Unique in Private Hands

Uncancelled Costa Rica Obverse & Reverse Dies Made by the U.S. Mint in Philadelphia For the 1897 Gold 20 Colones Struck at the Philadelphia Mint Certified by NGC Unique in Private Hands