I haven't been doing much detecting lately, it's been too hot and dry, but we got a lot of rain and it has cooled off a lot.  I noticed a place in the older part of town where the city had tore out sidewalks, and had dug up a lot of dirt.  I got permission to hunt and found 21 wheat pennies, two silver Rosie's, and this 1907 V nickel.  the nickel was so encrusted I couldn't tell anything about it.  I was hoping for a Buffalo nickel because I have never found one.  I put the coin in a vibratory machine with aquarium gravel and got some of the encrustation's off.  I then noticed it was a V nickel which makes me very happy because I had never found one of them. 
Any suggestions as to how I should finish cleaning this coin? Should I put it back in the vibratory machine with aquarium gravel? O should I use some other method?
	
		
			
		
		
	
				
			Any suggestions as to how I should finish cleaning this coin? Should I put it back in the vibratory machine with aquarium gravel? O should I use some other method?