
1) Brass 2) Copper alloy 3) Thin sheet metal 4) Tin in thin sheets
Found on
https://www.crosswordclues.com/clue/latten

The term latten referred loosely to the copper alloys such as brass or bronze that appeared in the Middle Ages and through to the late 18th and early 19th centuries. It was used for monumental brasses, in decorative effects on borders, rivets or other details of metalwork (particularly armour), in livery and pilgrim badges or funerary effigies. Me...
Found on
http://en.wikipedia.org/wiki/Latten

metal in thin plates
Found on
http://phrontistery.info/l.html

• (n.) Sheet tin; iron plate, covered with tin; also, any metal in thin sheets; as, gold latten. • (n.) A kind of brass hammered into thin sheets, formerly much used for making church utensils, as candlesticks, crosses, etc.; -- called also latten brass.
Found on
http://thinkexist.com/dictionary/meaning/latten/

(from the article `horse brass`) ...or check its upward movement. The use of these ornaments is of considerable antiquity, but most English horse brass dates from after 1830. Earlier ...
Found on
http://www.britannica.com/eb/a-z/l/21
Lat'ten noun [ Middle English
latoun ,
laton , Old French
laton , French
laiton , probably from Old French
late lath, French
latte ; -- because made in thin plates; confer Italian
latta a sheet of tinned iron, tin plate. French
latte is of Germ...
Found on
http://www.encyclo.co.uk/webster/L/18

Latten (also known as laten, lattin and laton) is a yellow alloy of copper, zinc, lead and tin used for making monumental brasses and church candlesticks.
Found on
http://www.probertencyclopaedia.com/browse/GL.HTM

[
n] - brass (or a yellow alloy resembling brass) that was hammered into thin sheets
Found on
http://www.webdictionary.co.uk/definition.php?query=latten
noun brass (or a yellow alloy resembling brass) that was hammered into thin sheets; formerly used for church utensils
Found on
https://www.encyclo.co.uk/local/20974

A yellow, copper based alloy similar to brass.
Found on
https://www.encyclo.co.uk/local/21090
No exact match found.