Tobias Mayer ( 1723 - 1762 ) was a German painter. Tobias Mayer s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 315.14 USD for Helvetiae Tredecim Statibus Lieberis quos Cantones... in 2004 to 943.93 USD for Mapa ziem Rzeczpospolitej; Mappa Geographica REGNI POLONIAE in 2013 , based on the size and medium of the artwork.