item gone

I recently completed the Rock Rejuvenation quest and received the sewing machine. I placed it outside on my farm near my shipping bin, and then later accidentally placed a bomb near it. The sewing machine is now gone. I didn't realize it had been affected by the explosion until a few in-game...

On PC, in the 1.5 update, I bought the telephone and put it in the tile on the right of the fireplace in my house (Four Corners map). After the first house upgrade, there was a plant in the tile immediately to the right, and the phone is gone. I assume that the plant overwrote it, but I also had...