What would signed letter from Bing Crosby 1947 cost?

The value of a signed letter from Bing Crosby from 1947 can vary widely based on its condition, content, and demand among collectors. Generally, such a letter could range from $100 to several hundred dollars. Factors like provenance and any unique features of the letter may also influence its price. For a precise valuation, consulting an auction house or a memorabilia appraiser would be ideal.