Just ordered a Pet marker handmade cross by johntillison on Etsy. They are so nice and can be custom made with your dog's name, birth and death dates, and a quote if you want one. There are also other types of crosses available!
Sheltering Tree Block Stamping (Add Ink and Stamp)
Abstract Geometric Poster Modern Scandinavian Design Print Black White Stripes Lines Wall Art Decor Minimalist Marker Handmade Modernist by Cincuentas on Etsy https://www.etsy.com/listing/159127133/abstract-geometric-poster-modern