2 1/2 centavo 1881, KM#179? -- smaller one Yes, KM#179, 14 - 14.5 mm
2 1/2 centavo 1881, Y9 --larger one KM#180, 18 mm, Heaton mint
5 centavos 1886, Y25, plain large 5 on reverse KM#184, 20 mm
5 centavos 1886, KM#183.2? -- there are two varieties (sm & lg top 5) If it's the same as 1888 then it's KM#183.2, otherwise it's 183.1 (lg. 5)
5 centavos 1888 KM# 183.2, 20 mm
Sorry, can't help you with weights.
2 1/2 centavo 1881, Y9 --larger one KM#180, 18 mm, Heaton mint
5 centavos 1886, Y25, plain large 5 on reverse KM#184, 20 mm
5 centavos 1886, KM#183.2? -- there are two varieties (sm & lg top 5) If it's the same as 1888 then it's KM#183.2, otherwise it's 183.1 (lg. 5)
5 centavos 1888 KM# 183.2, 20 mm
Sorry, can't help you with weights.





















