Your bottle's a pepper sauce made by Joseph S. Pederson. Listed in the Antique Trader Bottle ID and Price guide as being from 1885-1890 and worth $200-300.[][]
There's been a lot of confusion about this bottle[&:] We had a good thread last spring regarding the JPS bottle. I was at first pleased to think I had dug a fairly valuable bottle. A couple of bottle bookshave mis-identified this bottle and attribute it with the $200 - $300 price. Unfortunately, it is a rather common malt/beer extract bottle. It is worth about $20.00. No offense meant to you Diggerboy, you just repeated the info found on page 150 of Polak's price guide - he calls it a 'UPS' monogram[] I was really disappointed to discover his error[&:] I sold mine on e-bay for $22.
I seen amber ones like these,also Puce/yellow,and green,but Blue?..............Price abouve seems right,Also blue bott's tend to bring abit more at auctions than your norm.