Etched in Copper on the top	TAKE FIVE
Scratched on top		DEC-3858

Someone wrote TAKE FIVE on it

.d2	93426DC	read as 74s287	handwritten D2 on it
.e2	93426DC	read as 74s287	handwritten E2 on it
.i2	93426DC	read as 74s287	handwritten I2 on it