So I was looking at my old threads:This was from Sept 4 2013 (I had 6 back in Sept)https://www.antique-bottles.net/forum/New-Lyndeborough-Flask-base-marked-m626845.aspx Here is an updated Photo: 24 (23 +1 at the antique shop for sale)
Here are two of my favorites: (1/2 pint)
1/2 Pint Patent Flask Basemarked LG CO.