Assertion: postage stamp | /r/CapableOf | begin as a piece of paper
Facets:
value: postage stamps historically
type: TEMPORAL
Source sentences:
text: Postage Stamps Historically, a Postage stamp began as a piece of paper, a receipt denoting a specific value, which was a token of prepayment for postal service equivalent to its face value.
text: Postage Stamps Historically, a Postage stamp began as a piece of paper, a receipt denoting a specific value, which was a token of prepayment for postal service equivalent to its face value.