1974 aluminum cent (experimental)

GPTKB entity

Predicate	Object
gptkbp:instanceOf	gptkb:experimental_coin
gptkbp:composition	aluminum
gptkbp:country	gptkb:United_States
gptkbp:denomination	cent
gptkbp:designer	gptkb:Lincoln_Memorial gptkb:Frank_Gasparro
gptkbp:diameter	19.05 mm
gptkbp:discontinued	opposition from copper industry and vending machine companies
http://www.w3.org/2000/01/rdf-schema#label	1974 aluminum cent (experimental)
gptkbp:mintedIn	gptkb:Philadelphia_Mint
gptkbp:notableCollection	extremely rare
gptkbp:notableExample	gptkb:Smithsonian_Institution private collectors
gptkbp:number_minted	over 1,500
gptkbp:number_surviving	fewer than 20
gptkbp:obverseDesign	gptkb:Abraham_Lincoln
gptkbp:ownedBy	most examples returned to U.S. Mint
gptkbp:public_release	never officially released
gptkbp:purpose	test alternative to copper cents
gptkbp:status	gptkb:pattern_coin not legal tender experimental issue
gptkbp:valuation	$0.01
gptkbp:weight	0.937 grams
gptkbp:year	1974
gptkbp:bfsParent	gptkb:Lincoln_cents_(1974–1986)
gptkbp:bfsLayer	6