Coin 1: China, Republic, Honan province, undated (circa 1920) copper 20 cash, KM#Y 393.1, CV $1 in Good. No reason to doubt it's genuineness.
Coin 2: China, Republic (Taiwan) 5 chiao (50 cents), year 56 of the Republic (1967 AD), KM/Y# 546 (Krause doesn't make it easy - there's no picture for #546!), CV 15¢ in EF.
Coin 3: China, Republic (Taiwan) 1 yuan (dollar), year 49 (1960 AD), KM/Y# 536, CV 20¢ in EF.
Coin 4: Morocco 1 dirham 1965, KM/Y# 56, CV 50¢ in VF.
Coin 5: Greece 50 lepta 1971, KM 97.1, CV 15¢ in EF.
Coin 6: South Africa 5 cents 2000, KM 160, CV 15¢ in EF. That's been the design for the 5¢ since 1996.
Don't say "infinitely" when you mean "very"; otherwise, you'll have no word left when you want to talk about something really infinite. - C. S. Lewis