The observed [Pb_up/hs] (upper panel) and the [Pb_up/ls] (lower panel) versus [Fe/H] results of the Galactic sample stars of this study (black circles) and the Magellanic Cloud stars in De Smedt et al. (2014; 2015; black squares). The observed abundance upper limits are plotted together with the [Pb/hs] and [Pb/ls] predictions of the 2.0 M_⊙ STAREVOL models (red full line), the 2.0 M_⊙ and 2.1 M_⊙ Mount Stromlo models (MSE; black crosses and yellow diamond, respectively), and the 2.0 M_⊙ FRUITY models (blue dot-dashed line). The black horizontal lines represent the [Fe/H] uncertainty of the displayed stars. The position of each star from this study is indicated with the first numbers of its IRAS name; the first part of the 2MASS name is used for Magellanic Cloud stars from De Smedt et al. (2014, 2015).