Voucher chip
A voucher chip was a promissory note that could be exchanged for currency. Obo Rin submitted voucher chips for the expenses incurred during his travels writing the Catalog of Intelligent Life in the Galaxy.
A voucher chip was a promissory note that could be exchanged for currency. Obo Rin submitted voucher chips for the expenses incurred during his travels writing the Catalog of Intelligent Life in the Galaxy.