Renewed Focus on UK Metal Detecting: Nenny Not in it Fer the Money - Hadrian Denarius £?:

On a metal detecting forum near you there is a popular section called "valuing your finds". Member "nenhyandai " (Thu Feb 21, 2013 10:11 am) started there a thread called "Hadrian Denarius £?". he begins by saying how very much he enjoyed getting his "Henry Groat" (sic) properly identified and valued that he thought it would be good for him to:

post a few more of my coins for an idea of value and  proper ID if that’s OK with everyone! [smiley] So next up, we have a nice little Hadrian Denarius which I found a few weeks back. Any ideas peeps? [Romansilver.JPG].

Pretty soon he was being told ("Mega B", Thu Feb 21, 2013 10:16 am):

values are not really mentioned on forums as you can get all that from Spink and other sites [...]  its not really done. 

"hammertime" (Thu Feb 21, 2013 10:24 am) tends to agree:

one of the best things about our hobby and the Forum is admiring other peoples finds, and reading the opinions offered. But I have to agree with Mega B, it kind of puts a damper on things when when someone asks whats it worth [...] in broadcasting a valuation It might send out the wrong signal to some.

Yes, people may be watching, people whose archaeological record this is you are dismantling, peope whose archaeological heritage it is. People you desperately want to believe that the little pieces of the past you find and take away and keep have zero value - like the farmers you take them from. As a result of this, "nenhyandai" (Thu Feb 21, 2013 10:33 am) backtracks:

When there is a sub-thread set up which states ‘value your finds’ then isn't that exactly what it’s there for? As I've stated before in previous posts, I would never sell any of my finds, it’s purely just out of interest and I'm always grateful for any help I receive. 

Member "slowsweep" (Thu Feb 21, 2013 11:36 am) says it is only natural "when we are lucky enough to make a nice find we always try to gleam (sic - oh so Freudian) as much information about it that we possibly can and value is one of those pieces of information, its all part of the hobby".

Apparently "most Roman silver coins go on ebay.uk between £30-70 unless it's a rare one".