SILVERTONE PROFESSIONAL MODEL HARMONICA (NO. 1804) sold exclusively through Sears, Roebuck & Co.Unit has 10 holes and both cover plates are stamped "Silvertone". I am not a harmonica expert, but it is "operational" (i.e., it makes "harmonic" sounds when blown into) and in generally good condition, with wear consistent with age and usage (please see photos).Comes in its original box.Songbook is entitled"100 FAVORITE SONGS FOR HARMONICA" and was copyrighted 1946 by Wm. J. Smith Music Co. Inc., New York.  Some pages are dog eared (see photos) and it may be missing its cover, but it is otherwise solidly bound.Shipping cost has been calculated based upon successful buyer being located in the continental United States only.  Shipping to Alaska and Hawaii is available, but shipping cost may be higher (buyers from these states please ask for a shipping quote BEFORE placing a bid).  All international sales will be shipped exclusively through the EBay Global Shipping Program.  Please note buyers from outside of the United States are responsible for any and all duties, tariffs or other fees that YOUR country may impose. For non-US shipments, once the package leaves the US, both the USPS and I lose control over it, and transit times for these packages cannot be predicted.I strive to provide an accurate description and complete illustrative photographs of the item being offered.  Please contact me with any questions BEFORE placing your bid.  Returns will be considered only if the item has been grossly misrepresented or received in a condition contrary to the listing description (including all accompanying photos).  Proof of condition received is requested.  Positive feedback would be much appreciated if item is received in satisfactory condition and overall transaction meets with buyer's expectations.  I will gladly reciprocate!