This is the cropped picture of a few of the types of LRI's in my new display. Very hard to get a clear picture with a plastic case and laminated poster background. Top row: Block, Otis, "Diamond Top", Cross Top --"Pinched Top". Row 2: Cross Top, Single Groove, Single Groove, Cross Top. Bottom shelf : short version of a Hickock Patent, Tall Hickock's. In the brick: Side Tab, "Sandwich glass"-- Side Tab, Spratt Patent.