['< sod > the 50 state quarters program was started to support a new generation of coin collectors, < ref name = muoio > muoio, anna. ( 1999 - 11 - 30 ) [ http : / / www. fastcompany. com / 38508 / mint - condition " mint condition " ], fast company. retrieved 2011 - 01 - 16. < / ref > < ref > david l. ganz, " the official guidebook to america\'s state quarters ", random house, 2000. < / ref > and it became the most successful [ [ numismatics | numismatic ] ] program in history, with roughly half of the u. s. population collecting the coins, either in a casual manner or as a serious pursuit. < ref name = " nyt nov07 " > { { cite news | last = healey | first = matthew | title = state quarters near end of popular run | publisher = new york times | date = 2007 - 11 - 28 | url = http : / / www. nytimes. com / 2007 / 11 / 28 / us / 28coins. html? em & ex = 1196398800 & en = 5053b00525f22372 & ei = 5087 % 0a | accessdate = 2007 - 11 - 28 | archiveurl = / / web. archive. org / web / 20071130095633 / http : / / www. nytimes. com / 2007 / 11 / 28 / us / 28coins. html? em & ex = 1196398800 & en = 5053b00525f22372 & ei = 5087 % 0a | archivedate = 30 november 2007 <! - - dashbot - - > | deadurl = no } } < / ref > the u. s. federal government so far has made additional profits of $ 3. 0 billion from collectors [ [ seigniorage | taking the coins out of circulation ] ]. < ref name = " statequarters " > { { cite web | title = 50 state quarters report : 10 years of honoring our nation\'is s history and heritage | url = http : / / www. usmint. gov / downloads / mint _ programs / 50sqreport. pdf | publisher = u. s. mint | accessdate = 24 january 2014 } } < / ref > < eod > < sod > the 50 state quarters program was started to support a new generation of coin collectors, < ref name = muoio > muoio, anna. ( 1999 - 11 - 30 ) [ http : / / www. fastcompany. com / 38508 / mint - condition " mint condition " ], fast company. retrieved 2011 - 01 - 16. < / ref > < ref > david l. ganz, " the official guidebook to america\'s state quarters ", random house, 2000. < / ref > and it became the most successful [ [ numismatics | numismatic ] ] program in history, with roughly half of the u. s. population collecting the coins, either in a casual manner or as a serious pursuit. < ref name = " nyt nov07 " > { { cite news | last = healey | first = matthew | title = state quarters near end of popular run | publisher = new york times | date = 2007 - 11 - 28 | url = http : / / www. nytimes. com / 2007 / 11 / 28 / us / 28coins. html? em & ex = 1196398800 & en = 5053b00525f22372 & ei = 5087 % 0a | accessdate = 2007 - 11 - 28 | archiveurl = https : / / web. archive. org / web / 20071130095633 / http : / / www. nytimes. com / 2007 / 11 / 28 / us / 28coins. html? em & ex = 1196398800 & en = 5053b00525f22372 & ei = 5087 % 0a | archivedate = 30 november 2007 | deadurl = no | df = } } < / ref > the u. s. federal government so far has made additional profits of $ 3. 0 billion from collectors [ [ seigniorage | taking the coins out of circulation ] ]. < ref name = " statequarters " > { { cite web | title = 50 state quarters report : 10 years of honoring our nation\'s history and heritage | url = http : / / www. usmint. gov / downloads / mint _ programs / 50sqreport. pdf | publisher = u. s. mint | accessdate = 24 january 2014 } } < / ref > < eod >']