Yamaha YPG-635 88-Key Weighted Portable Grand Piano Keyboard. For sale is a Yamaha YPG-635 88-Key Weighted Portable Grand Piano Keyboard. This item is in overall good condition but does have a few scuffs and scratches in certain areas as pictured, but does not affect the usability of this item. Please see photos to make your own further evaluation. Thank you for viewing! The item is also in overall good cosmetic condition as shown. Please see pictures to make your own cosmetic appraisal. All pictures are of actual piece(s). All piece(s) as shown in the pictures above are included as shown. We encourage all auctions to be paid within 3 days after action ends. You must return an item in the same condition as it was received, not used or altered in any way.