a good price for this vintage devil in the drink mechanical charm

click on the link to get to this etsy sale

http://www.etsy.com/listing/117947444/vintage-sterling-silver-1940s-drink?ref=sr_gallery_31&ga_search_query=charm&ga_view_type=gallery&ga_ship_to=US&ga_original_query=2&ga_page=8&ga_search_type=vintage