More boards to grade. Thank you for the help
Number 1 in blank on the back side
Does Number 2 qualify as a gold finger board or is it Low Prep?

Here's my guess:

1) Low Grade Peripheral
2) Low Grade Peripheral
3) Low Grade Peripheral
4) Low Grade Peripheral

What makes 1 and 4 Low Grade Peripheral and not High Grade Peripheral?

Not enough population in my opinion. But I could be totally wrong. They could both get High Grade Peripheral. Wait for Lostinlodos to reply.

1 is high peripheral. two sets of heavy gold pins, socketed quad, plated switches, high is safe here.

2 high peripheral. Heavy dual sided full face gold board. with edge connector. Here I'd say the zero population weight helps move it into the higher classing. and a few nice gold pins to help out.

3 doesn't have much going for it. on the bottom we have one tension/friction port. and one external (usb micro/mini?) port. on the top a single memory chip. a logic chip. and a controller. there's a LOT of board for just that. this is close. however I don't think it clears. low peripheral.

4 is high peripheral. only just clearing it in my book. the weight to value difference is there.

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42 6F 61 72 64 73 6F 72 74 2E 63 6F 6D