Philippines, 5 Sentimo coin, 1995, Copper-Steel , in UNC condition, according to World Coins Philippines KM#268. Obverse with the legend “ REPUBLIKA NG PILIPINAS · 5 SENTIMO · 1995 " and reverse with the legend “ BANGKO SENTRAL NG PILIPINAS 1993 ”.

Manual of Numismatics – Collector’s Guide by Alexandre Ferreira Barros is a practical and instructional work focused on fundamental numismatic concepts, techniques, and best practices for collectors.

Published in 1961 by Livraria Fernando Machado in Porto, this manual offers guidance on acquiring, evaluating, organizing and presenting a coin collection, blending practical advice with introductory historical context about frequently encountered coinage.

Illustrated with drawings and reproductions of coins, the book includes explanations about metal alloys, chronological classification and a glossary of terms, making it a useful resource for both beginners and experienced collectors interested in Portuguese numismatics.

Philippines, 10 Piso coin, 2000, bi-metallic, in UNC condition, according to World Coins Philippines KM#278. Obverse with the legend “ REPUBLIKA NG PILIPINAS · 2000 · 10 PISO · APOLINARIO MABINI · ANDRES BONIFACIO " and reverse with the legend “ BANGKO SENTRAL NG PILIPINAS · 1993 ”.

Portugal, copper coin of XX Réis 1847 D. Maria II, World Coins Portugal KM 482. Coin created by the Law of 24 April 1835 and Decree 14 May 1846, coins worth XX réis (penny) were minted in the Copper alloy, with dates from 1847 to 1853.