Artifact Details Title Blackjack Catalog Number 102705354 Type Software Description (1) Cassette tape Following is written on the label: LOAD "B" (ENTER) - on side 1 LOAD "S" (ENTER) - on side 2 LEVEL II Date 1984 ca. Publisher Radio Shack System Requirements TRS-80 Format Cassette Tape Category application/recreational Lot Number X3954.2007