They designed for used in the private vending machine world. This issue was cut short because the size was not to fit all the vending companies machines therefore less were ordered. There were only 216,480 stamps printed in 902 sheets of 240 stamps. Cut into panes 4 panes of 60 each.
This list is the total production. 7216 Plate blocks in all positions. 3608 Arrow blocks in all positions.
3608 Corner blocks in all positions. The item "US Scott #373 Margin Blocks around the clock Mint Never Hinged OG (SJM385)" is in sale since Thursday, October 24, 2019. This item is in the category "Stamps\United States\Plate Blocks/Multiples". The seller is "pvt_snafu" and is located in Florence, South Carolina. This item can be shipped to United States.