If you are looking for a very fine chain (NOT PHOTO-ETCHED) I can recommend this (and the seller).......
https://www.ebay.co.uk/itm/HALF-METER-AGENED-ULTRA-FINE-ANCHOR-CHAIN-0-95mm-x1-45mm-611-AKKURA-hms-uss/362060129390?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2060353.m2749.l2649