A contra-guitar with 12 strings.Usually this means it has the six regular strings plus six extra unfretted bass strings but there has also been a variant based on the Russian guitar with seven fretted
In early 20th C. some guitar-lutes was made with double strings and a angled head.These instruments looked almost idetnical to a renaissance lute, but had a much heavier construction and was intended
A contra-guitar with 13 strings.Usually this means it has the six regular strings plus seven extra unfretted bass strings but there has also been a variant based on the Russian guitar with seven frett
