Eleventh Avenue Frieze: Several fairgoers I spoke to voted Ulrik’s booth of works by Bettina Grossman, known simply as “Bettina,” who died in 2021 at age 94, as one of the best. Bettina applied the same visual of geometry to her earth-tone tapestries, small wooden sculptures, and black-and-white urban photographs, all priced between $6,000 and $40,000. The Brooklyn Museum acquired two of the photographs