Depends on the price you paid, you don't say, but finding coins of this era that have not been cleaned - even slightly can be tough if not almost impossible these days. The 1980's brought on the advent of "dipping all the coins" that didn't sit well with me and others that appreciate the darker more natural look most coins get over 50+ decades of storage.
As to returning it? What did you pay for it? Under $80.00 I'd just keep it and learn from the event, anymore, possibly yes a return or partial refund may be in order.
When buying coins online form a photo a return policy is a must, and any dealer or seller that has ethics should stand behind a reasonable return policy IMO.
"Buy the Book Before You Buy the Coin" - Aaron R. Feldman - "And read it" - Me 2013!
ANA Life Member #3288 in good standing since 1981, ANS, Early American Coppers Member (EAC), Colonial Coin Collectors Club member (C4), Conder Token Collector Club member (CTCC), Civil War Token Society (CWTS) member, Liberty Seated Collectors Club (LSCC) & Numismatic Bibliomania Society member (NBS), USMex, Member in good standing, 2˘ variety collector.
See my want page:
http://goccf.com/t/140440