Hello Yenges,
It appears that you are into the post Prohibition zone of this dump. That "Federal Law Forbids" language was mandated by the Feds on spirits bottles from 1934 to 1964. I'd be tempted to return with a proper shovel, and see if there are older denizens below...
<img src="http://www.treasurenet.com/forums/attachment.php?attachmentid=884514"/>
"1933 Graves Superior Dry Distilled Gin C. H. Graves & Sons Co. Boston, Mass. ,
Original Paper Labeled Gin Bottle, with text on the paper labels as follows ( Chester
H. Graves , Graves Superior Dry Distilled Gin distilled and bottled by C. H. Graves
& Sons Co. Boston ) with other text , also has embossing as follows ( C.H. Graves &
Sons Co. Boston , distillers since 1849 , Full Pint )"
1933 C. H. Graves Superior Dry Distilled Gin