Owner said it was a very early radio. Looking at all the parts I believe there’s more to this find than just being a radio. There’s a motor, speaker, telegraph ticker. Amazing to look at in person. Awesome find for someone who could restore this back to working order. 1921 DEFOREST WIRELESS SYSTEM RADIO TELEPHONE AND TELEGRAPH APPARATUS. There is also a very early Loose Coupler Radio Tuner in this lot. Includes the Vintage Rotary Spark. Includes A Early Rotary Spark Gap. The item “EARLY VINTAGE DEFOREST MODEL SP-4 RADIO RECEIVER 3 TUBE TELEGRAPH MASSIVE LOT” is in sale since Monday, August 03, 2015. This item is in the category “Collectibles\Radio, Phonograph, TV, Phone\Radios\Tube Radios\Pre-1930″. The seller is “ghentjamie” and is located in Lancaster, South Carolina. This item can be shipped to United States, to Canada, to United Kingdom, DK, RO, SK, BG, CZ, FI, HU, LV, LT, MT, EE, to Australia, GR, PT, CY, SI, to Japan, to China, SE, KR, to Taiwan, TH, to Belgium, to France, to Hong Kong, to Ireland, to Netherlands, PL, to Spain, to Italy, to Germany, to Austria, RU, IL, to Mexico, to New Zealand, SG, to Switzerland, NO, SA, AE, QA, KW, BH, HR.