Bolivia, El Banco Nacional de Bolivia, a group of Proofs (23), issue as above, comprising 20 Centavos, face and back, 40 Centavos, three faces and one back, 1 Boliviano, two faces, two backs, 5 Bolivianos, back only, 10 Bolivianos, face only, 50 Bolivianos, two faces and five backs, 100 Bolivianos, three faces and one back, some with tears, missing pieces, creases or other impairments(23)