Vintage pre-owned condition with overall wear. Please refer to the photos.

Measures approximately 24.6mm x 49.2mm at the longest points.

Overall surface wear from age/use.

The back is marked:
THE ORIGINAL AND ONLY PERFECT COLD BLAST LANTERN - ALL OTHERS ARE IMITATIONS. C.T. HAM. MFG. CO. ROCHESTER NY.   

Marked Sterling on the bottom left corner of the back.  Weighs approx. 7.4 grams.

Colors may vary slightly due to camera and monitor settings.

The F number in the title is my personal inventory number.