Stacks of 1930s cahiers, wartime parlor games, enamel street numbers, pochoir-decorated café au lait bowls, deadstock Christmas cards, those matching kitchen canister sets into which you decant your farine and your sucre, hardy dish linens and more literally cram this joint to the rafters. In the middle of it all, Au Petit Bonheur’s expert curator Maria-Pia Varnier sits, recording inventory in long ledgers and packaging some new bauble that’s just come in.