For a friend, what can he be told about these coins?

I only recognise one or two of them, though he's wondering about all of them. Info about them would be great, as I'm not much of an "expert" on foreign coins..







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Potosi mint. The assayers were Joaquin Zemborain and Luis de Aguilar ( the J and L on the reverse)
2 - 1 Gulden from the Netherlands Antilles - island of Curacao KM 45 10g of .720 silver or .2315asw
Minted in Denver, the D is on the reverse between the date and the O of Curacao - a 1 year issue and the only 1 Gulden from Curacao
Collecting:
Conder tokens
19th & 20th Century coins from Great Britain and the Realm
Collecting:
Conder tokens
19th & 20th Century coins from Great Britain and the Realm
Assayers were Juan Palomo y Sierra and Pedro Martin de Albizu
5 - Bolivia 2 Reales KM 83 6.782g of .896 silver or .1950asw Potosi mint
Assayers were Luis de Aguilar and Juan Palomo y Sierra
Collecting:
Conder tokens
19th & 20th Century coins from Great Britain and the Realm
Collecting:
Conder tokens
19th & 20th Century coins from Great Britain and the Realm
way outta my league and all
but i really like the bolivian ones
Jeff
or should I say I ACCUMULATE!
I also dabble with the darkside
Ive recently gotten more into currency, especially modern star notes