It may possibly appear to be unlikely, upon observing Bettina Grossman pushing her shopping cart crammed with artwork exterior the Chelsea Hotel, that she was an accomplished artist with a once-promising job. Ms. Grossman was strange even by the requirements of the Chelsea, the storied haven for quirky artists. Her studio condominium, Space 503, at the close of a prolonged fifth-flooring hallway, experienced turn out to be so crowded with her accrued artwork — mainly summary, very conceptual drawings, sculptures and photographs — that she had been displaced from her own dwelling place. She slept in her hallway on a lawn chair. “She was eccentric with a funds E,” stated…