folding loupe, numismatic coin magnifier with a brown leather case foldable linen tester magnifier, thread counter

abstract background black brown case check close closeup cmyk coins concept counter detail equipment examining eye focus foldable folding glass gold instrument isolated jeweler jeweller jewellery lens line linen loupe macro magnification magnifier magnify magnifying measurement mini numismatic numismatical numismatics object optical pocket print seeing small specialistic tester textile thread tool white workshop zoom