Early old-fashioned collection of industrial wind old copper bookmarks (鸳鸯) into pairs

Early old-fashioned collection of industrial wind old copper bookmarks (鸳鸯) into pairs Vintage style greetings preferred Appearance size: Ten yuan coins indicate size, large size bookmarks, random shipment. Process: Taiwan's early manufacturing export, copper etching old parts, this object is rare, not now commercial, less than twenty years of objects, new products, random addition of wishful small slings themselves back to tie, old copper products are inevitable Sand holes, pits, patina, etc., old things will inevitably have scratches and scratches... etc. If you use traces, you can accept subscripts or ask questions first. Thank you