SupposethatsomeMerchantsStrangersdoecomeoverintotheRealme，tobuyaPackeofTenneClothesvaluedat80poundsstarlinwhichtheyaretopayinGoldandSilver，andyettheydoenotknow，whattheweightandfinenesseofourStarlinmoneyis，neitherdoththeEnglishMerchantsknowtheweightandfinenessoftheforraineCoyne，whichtheyhavebroughtover:
hereupontocontentbothparties，themoneyesoneithersidemustbeetriedbytheSubtillAssayaccordingtotheirfinenesse，calculateduponthepoundweighttheyanswereachotheraccordingly；andsothisnegotiationis（ineffect）butaPermutationofmonyesforCommodities，beforeexchangewasinvented。
Thisbeingnotwellobserved，mightcausementobedeceived，asthePewterer（sometimesanAldermanofLondon）was，whobeeingusedtochangeoldPewterfornew，takingaconsiderationforthefashion，wouldtakethelikecourseinthebuyingofSilverPlateofaGoldsmith，deliveringhismoneybyweight，wherebyhesustainedalosse，becauseheediddeliverhimaquanityofoldgroates，whichwerelighterthentheirvalue；asalsootherStarlinmoneys，whichwereworneoutincontinuanceoftime，andmuchundertheirtrueweight。Andboastingofhisgoodbargaine，heewasmadetocalculatewhatanounceofsilverdidstandhim，andhefoundthatbythesemeanes，hehadpaide6
shillingstheounceofthat，whichwasoffereduntohimfor5
shillings，6pence。Fallerefallentemnoestfraus。