Backplate is not included. 1302-2, 1302-3, & 1302-20 are Quick Ship Knobs by Anne at Home
Product Description

Anne at Home 1302, Sonnet Large Knobs Shown with Sonnet Backplate, 100% lead free pewter with brass finding. 1.25"W x 1.25"H x 1"Projection. (Quick ship available in #2,#3,#20)
Knob only. Backplate sold separately.