These type of fish sculptures were first made in Peru during the 2nd half of the 20th century.
The Peruvian artist Graziella Laffi (1923–2009). Often referred to as the “Spratling of Peru,” Laffi designed and made exquisite jewelry and hollowware that reflect the convergence of pre-Columbian imagery and techniques and modern design. Her studio designed and made this type of articulated fishes in multi metal, copper & silver.
https://unframed.lacma.org/2015/02/25/n ... ella-laffi
Articulated fish sculptures, handmade by Graziella Laffi, Peru, circa 1950s. Executed in hand-hammered copper and sterling silver.
Source: 1stDibs
The studio/workshop or maker’s mark MRT here seen on a silver sculpture of a fish fin:
Inportria Peruana/ Peruvian Import MRT 925
The Peruvian mark MRT also seen on so called vintage Inca Peruvian sterling silver necklaces, bracelets and brooches.
Vintage Peruvian sterling silver (MRT Peru 925) necklace with screw on earrings
Source; WorthPoint
The question remains who is behind the MRT brand/mark, their products made mainly for tourists and export?
viewtopic.php?f=8&t=55988&p=205680#p205680
Fish Ornament
11th–12th century
Peru; central coast (?)
https://www.metmuseum.org/art/collection/search/308837
Silver articulated fishes made in Spain
https://www.google.com/search?q=Articul ... 1536&hl=en
Peter.