Used Boss RV-3 Reverb and Delay.  No box or manual, no velcro on the bottom. 

The RV-3 was launched in the mid 90s after 4 years without a Reverb pedal in the Boss lineup. The RV-3 is a combination reverb and delay pedal with four different reverb modes plus three delay modes with delay times up to 2000ms. There are an additional four modes that combines delay and room, hall or plate reverb types.

The bottom label was changed from pink to dark gray, January 1999.

Modes

• Mode 1: Delay 32ms-125ms
• Mode 2: Delay 125ms-500ms
• Mode 3: Delay 500ms-2s
• Mode 4: Delay + Reverb: Room 1
• Mode 5: Delay + Reverb: Room 2
• Mode 6: Delay + Reverb: Hall
• Mode 7: Delay + Reverb: Plate
• Mode 8: Reverb: Room 1 (small)
• Mode 9: Reverb: Room 2 (large)
• Mode 10: Reverb: Hall
• Mode 11: Reverb: Plate