Every coin is assigned a unique alphanumeric code (often referred to simply as the "Gomes Number"). For example, a specific 400 Reis gold piece from King João V will have a distinct number that instantly tells a buyer its exact sub-variety, separating it from standard issues. 3. Visual Identification Keys
The number 18 frequently appears as part of a catalog reference number for specific coin types. When searching "alberto gomes moedas portuguesas 18," many results show auctions or listings for coins where the Gomes number includes a variant with "18". For example: alberto gomes moedas portuguesas pdf 18
consistently cite it as the "principal reference" in Portugal. Every coin is assigned a unique alphanumeric code
Inclui informações precisas sobre metais (ouro, prata, bronze), pesos, diâmetros, e descrições detalhadas das faces (anverso e reverso). alberto gomes moedas portuguesas pdf 18