 San Lorenzo <unk> Head 2 ( also known as San Lorenzo Monument 2 ) was reworked from a monumental throne . The head stands 2 @.@ 69 metres ( 8 @.@ 8 ft ) high and measures 1 @.@ 83 metres ( 6 @.@ 0 ft ) wide by 1 @.@ 05 metres ( 3 @.@ 4 ft ) deep ; it weighs 20 tons . <unk> Head 2 was discovered in 1945 when Matthew <unk> 's guide cleared away some of the vegetation and mud that covered it . The monument was found lying on its back , facing the sky , and was excavated in 1946 by <unk> and Philip <unk> . In 1962 the monument was removed from the San Lorenzo plateau in order to put it on display as part of " The <unk> tradition " exhibition at the Museum of Fine Arts in Houston in 1963 . San Lorenzo <unk> Head 2 is currently in the <unk> <unk> de <unk> in Mexico City . The head was associated with a number of ceramic finds ; they have been dated to the Early <unk> and Late Classic periods . <unk> Head 2 wears a complex headdress that sports a horizontal band tied at the back of the head ; this is decorated with three bird 's heads that are located above the forehead and temples . The <unk> piece is formed from six strips running towards the back of the head . The front of the headdress above the horizontal band is plain . Two short <unk> hang down from the headdress in front of the ears . The ear jewellery is formed by large <unk> <unk> or framed discs . The left and right ornaments are different , with radial lines on the left <unk> , a feature absent on the right <unk> . The head is badly damaged due to an unfinished reworking process . This process has <unk> the entire face with at least 60 smaller <unk> and 2 larger holes . The surviving features appear to depict an ageing man with the forehead <unk> into a <unk> . The lips are thick and slightly parted to reveal the teeth ; the head has a pronounced chin . 
