SOG Flashback Assisted Folding Knife Usually runs about $40-60 depending on vendor.
I believe assisted folders are legal in MD....
Also for $29.99 you can get the straight blade:
https://www.amazon.com/SOG-Flashbac...scsubtag=8819e7d8d82511e9b48b2a70558bfcd60INT
$26.99 Tanto:
https://www.amazon.com/SOG-Flashbac...scsubtag=9000e488d82511e99beee645f6083ee10INT
https://www.amazon.com/dp/B004VS0CL...scsubtag=a24e9266d82511e9951496bc129f10c70INT
I believe assisted folders are legal in MD....
Also for $29.99 you can get the straight blade:
https://www.amazon.com/SOG-Flashbac...scsubtag=8819e7d8d82511e9b48b2a70558bfcd60INT
$26.99 Tanto:
https://www.amazon.com/SOG-Flashbac...scsubtag=9000e488d82511e99beee645f6083ee10INT
https://www.amazon.com/dp/B004VS0CL...scsubtag=a24e9266d82511e9951496bc129f10c70INT