This 3-stringed biscuit tin guitar is yet another variation on the cigar box guitar theme, and illustrates nicely the spirit of inventiveness.
This seller has been listing such homemade instruments on eBay for several months now and has assembled a number of rustic-looking resonator guitars. It's a pity his eBay listings are let down by a lack of attention to detail in the areas of spelling, grammar, punctuation, use of capital letters (i.e. total disregard for), and even basic sentence construction.
G L Wilson
Guitarz - The Original Guitar Blog - now in its 10th year!